Category: Pikal

  • Tactical Icepick Design: The Bladetricks Approach to Simplicity and Performance

    Tactical Icepick Design: The Bladetricks Approach to Simplicity and Performance

    Tactical Icepick Design: The Bladetricks Approach to Simplicity and Performance

    Every Bladetricks tactical icepick is built around a single truth: under extreme duress, simplicity is the only thing that doesn’t fail you.

    I have spent equal time refining the Pikal — arguably the most efficient system for the trained professional — but a specialized blade is not the ideal solution for everyone. The icepick is. What most people don’t realize is that the two are not separate philosophies. They share the same foundation: the reverse grip, the same instinctive thrusting mechanics, and the same commitment to concealable, low-profile carry. If anything, the icepick is the primitive ancestor of what later became codified as Pikal — the same body logic, stripped to its most essential form, centuries before Filipino martial arts gave it a name. I have written about this in depth in my analysis of Pikal biomechanics and anatomy — if you are serious about understanding the reverse grip, that is where to start.

    Both rely on gross motor movements. Both are thrust-dominant. Both are built for close-quarters encounters where fine motor skills have already degraded. The icepick simply removes every variable that could introduce failure. It requires no edge alignment, no mechanical setup, no rehearsed grip sequence. It mirrors the body’s most basic defensive instinct. That is not a limitation — it is the design.


    A Concept Unchanged. An Execution Refined.

    The icepick was not designed as a weapon. That is worth stating plainly, because it is precisely what makes it interesting.

     

    Vintage Traditional Ice Pick Tool
    Vintage Traditional Ice Pick Tool

     

    In the 1800s, before mechanical refrigeration, ice was harvested from frozen lakes and rivers, stored in insulated warehouses, and distributed to homes across the United States. The icepick was the domestic tool used to break and portion those blocks — a pointed metal spike on a wooden handle, unchanged in concept from the day it was made. When refrigeration rendered it obsolete in the kitchen, it did not disappear. It simply changed hands.

    A single hardened point, aligned with the forearm, driven by the body’s most instinctive motion. The concept needed no revision. What it needed — and what over a decade of full-time making has been dedicated to — is an execution worthy of that concept.


    The Historical Pedigree: Why the Icepick Has Always Worked

    The icepick’s transition from domestic tool to weapon of choice required no modification whatsoever. That fact was not lost on professionals who understood what mattered in a close-quarters encounter.

    Most notoriously, Murder Inc. — the enforcement arm of the National Crime Syndicate, active from 1929 to 1941 and believed responsible for up to 1,000 contract killings — made the icepick a signature instrument. Not because it was dramatic. Because it was silent, easily concealed, and required zero mechanical setup. Their most feared operator, Abe “Kid Twist” Reles, was reportedly so skilled with it that he could make victims appear to have died of natural causes. A brain hemorrhage, specifically. The medical examiners of 1930s Brooklyn were, on occasion, not looking for what they should have been looking for.

    This was not aesthetics. It was a professional community’s cold conclusion that simplicity, concealment, and penetrating reliability outperformed complexity in every real-world scenario. Nobody handed Reles an instruction manual. Nobody needed to.

    The Bladetricks icepick designs carry that same logic forward — stripped of ornamentation, optimized for the same purpose, and built for people who understand why that matters.


    The Pikal Connection: One Grip, Two Expressions

    The word Pikal comes from the Visayan dialect of the Philippines and literally means “to rip.” In the tribal fighting arts of the Philippines — specifically the Pekiti Tirsia system within Kali — it describes holding a knife in a reverse grip, also known as the icepick grip, with the edge inverted toward the user.

     

    Bladetricks Fratello Pikal Knife Blade Detail
    Bladetricks Fratello Pikal Knife Blade Detail

     

    That detail is the one most people overlook: the icepick grip and the pakal grip are the same grip. The icepick predates the formalized Pikal system by centuries. It is the original expression of what Filipino martial arts later refined into a complete combat methodology — the same body mechanics, the same instinctive thrusting logic, the same gross motor reliance that holds up when the sympathetic nervous system has taken over and fine motor control is no longer a realistic expectation.

     

    Voodoo ice pick, reverse grip
    Voodoo ice pick, reverse grip

     

    Both are thrust-dominant. Both are designed for close-quarters encounters. Both are built around the understanding that under life-threatening stress, the body will do what it knows how to do — and what it knows how to do is drive forward.

     

    Bladetricks Epick Pikal Knife and tactical icepick
    Bladetricks Epick Pikal Knife and tactical icepick

     

    The Pikal adds an edge, a refined geometry, and a trained pulling mechanic. The icepick removes the edge entirely — and with it, every maintenance burden, legal complication, and training dependency. For the right user, that is not a downgrade. It is the point.

     

    Bladetricks Custom Traditional EDC Icepick, Beech Wood Handle
    Bladetricks Custom Traditional EDC Icepick, Beech Wood Handle

     


    The Traditional Spike: Bladetricks Custom Voodoo Icepick Series

    The Bladetricks lineup carries this lineage forward across several purpose-built designs: the Voodoo, the Epick, the Tusk, and the Tarantula Karambit Icepick. Each represents a specific application within the reverse-grip family — from the specialized reach of the Tusk Tarantula to the refined concealability of the Epick. No maintenance. No variables. No failure modes.

     

    Wenge Handle, Bladetricks Custom Ice Pick
    Wenge Handle, Bladetricks Custom Ice Pick

     

    These are definitive last-ditch tools for both the trained professional and those new to defensive carry.

     

    Bladetricks Custom Voodoo Icepick Polymer Handle
    Bladetricks Custom Voodoo Icepick Polymer Handle

     

    Bladetricks Polymer Icepick Handles
    Bladetricks Polymer Icepick Handles

     


    The Push Icepick: Power Through Structure

    For those who prefer the ergonomics of a push dagger combined with the penetration of a spike, the Bladetricks Push Icepick family offers a distinct mechanical advantage. By aligning the spike with the forearm’s natural skeletal axis, these tools deliver power and retention that is extremely difficult to compromise.

     

    Bladetricks Voodoo Push Ice Picks
    Bladetricks Voodoo Push Ice Picks

     

    The family includes the Stop Switch, the Tarantula, the Goliath, and the Voodoo Push Icepick. They are all built as direct extensions of the fist — the most natural human movement becomes the most effective defensive motion.

     

    AN Nash XL Stop Switch Push Icepick, Black G10 and Copper Pins
    AN Nash XL Stop Switch Push Icepick, Black G10 and Copper Pins

     

    Bladetricks Tarantula Push Daggers, Full Metal
    Bladetricks Tarantula Push Daggers, Full Metal

     

    Tarantula Goliath Push Ice Picks Bladetricks Custom Knives
    Tarantula Goliath Push Ice Picks Bladetricks Custom Knives

     


    Chisel Tip Geometry: A Technical Standard Worth Understanding

    While most icepick makers pursued the traditional conical tip, the chisel grind tip was a deliberate departure — a geometry I developed early in my work as a maker, one that is now gaining recognition as a performance standard.

     

    Bladetricks Voodoo ice pick push dagger Chisel Ground Spike Tip Detail
    Bladetricks Voodoo ice pick push dagger Chisel Ground Spike Tip Detail

     

    Bladetricks Mini Voodoo Icepick, Titanium and Micarta
    Bladetricks Mini Voodoo Icepick, Titanium and Micarta

     

    Why chisel geometry outperforms the conical tip

    The advantages are practical. A chisel tip is significantly easier to maintain and field-sharpen than a conical point. It also produces a mechanically distinct wound opening and subsequent wound channel: rather than displacing and compressing tissue — which can create friction and resistance on extraction — the chisel geometry creates a shearing effect. The result is a cleaner extraction stroke and more consistent stopping performance, findings supported by penetrating wound ballistics research specific to this configuration.

     

    Voodoo push ice pick tactical dagger Ironwood tissue damage
    Voodoo push ice pick tactical dagger Ironwood tissue damage

     

    Tactical EDC ice pick Bladetricks Voodoo push dagger
    Ironwood Handle, Custom Voodoo Icepick

     

    This geometry is now the foundation of an entire Bladetricks product philosophy.


    The Ice Pry Family and Trauma Geometry

    The Ice Pry tool family — including the Classic, the Mini, and the tactically-oriented Gen 2 — applies chisel tip logic to a dual-purpose platform. The flat tip enables high-leverage prying and delivers significant mechanical effect upon entry. Two functions, one tool.

     

    Custom EDC Tactical dagger screwdriver pry bar tool.jpg
    Bladetricks Classic Ice Pry EDC Tools

    Retention and fast-draw variants

    For those who prioritize secure retention and purpose-built combat geometry, the Ice Pry Karambit integrates a safety ring. The Blink Grip Ice Pry uses a proprietary blind-indexing system refined through continuous iteration — designed for extreme fast draw without looking, and now a reference point for the category.

     

    Classic Ice Pry Karamit, Micarta
    Classic Ice Pry Karamit, Micarta

     

    Bladetricks Tarantula Icepick Karambit
    Bladetricks Tarantula Icepick Karambit

     

     

    Bladetricks Ice Pry Karambit with Blink Grip Fast Draw Handle
    Bladetricks Ice Pry Karambit with Blink Grip Fast Draw Handle

     

    Epick Blink Grip Fast Draw Icepick
    Epick Blink Grip Fast Draw Icepick

     

    The Micro Bevel series: edgeless, purpose-built

    This principle of purposeful tip geometry extends into the Bladetricks Micro Bevel series. Tools like the XL Micro Bevel Karambit are entirely edgeless — eliminating maintenance requirements and legal carry concerns — while still delivering maximum penetrating effect through the multi-purpose tip. It is a refined transition from pure piercing to structural compromise.

     

    Bladetricks Micro Edge Nosaf Raal Karambit, Tip Detail
    Bladetricks Micro Edge Nosaf Raal Karambit, Tip Detail

     

     


    Who the Icepick Is For

    I recommend icepick designs regularly to those with physical limitations, those still building their training base, or those who need a carry option that is virtually weightless and invisible. It is the equalizer for the less experienced and a reliable secondary for the professional.

    In a market crowded with over-engineered solutions, the Bladetricks tactical icepick is a case for doing one thing with complete precision. The 1800s got the concept right. The execution is what continuous refinement is for.

    Innovating tactical icepick design since 2010. — A.N. Nash | Bladetricks

  • Pikal Knife Fighting: Biomechanics, Anatomy, and the Reality of Edge In

    Pikal Knife Fighting: Biomechanics, Anatomy, and the Reality of Edge In

    Pikal System: The Best Mechanical Efficiency in Close Combat

    It is not an aesthetic. It is beyond a fashion. It is a cold application of biomechanics. Derived from the Visayan term meaning “to rip,” this knife fighting technique uses a Reverse Grip Edge In (RGEI) orientation. While the market is currently saturated with derivatives, the foundation of the modern RGEI movement relies on a rigorous application of physics that I have advocated since founding Bladetricks in 2010.

     

    Bladetricks Double edge Zikit Pikal knife
    Bladetricks Double edge Zikit Pikal knife

     

    Bladetricks #7 Pikal Knife, Micartca Handle
    Bladetricks #7 Pikal Knife, Micartca Handle

     

    Bladetricks Mini Krav Pikal Knife, Cord Wrapped
    Bladetricks Mini Krav Pikal Knife, Cord Wrapped

     

     


    The Physics of the Inward Rip

    The primary advantage of a pikal knife or tool is its alignment with the human body’s natural tendency to contract under extreme stress. Standard sabre grips rely on the extension of the tricep, which is prone to failure in a clinch. Conversely, this grip engages the latissimus dorsi and the biceps — the largest pulling muscles in the upper body. By drawing the blade toward the body, the operator generates a kinetic force that is difficult to intercept.

    Research on sympathetic nervous system activation under life-threatening stress is unambiguous: above 115 beats per minute, fine motor skills begin to deteriorate; above 175, only gross motor functions remain reliably accessible. The RGEI draw and strike are gross motor movements — contracting, pulling, driving inward. They are built for the body that is already in fight-or-flight. A sabre grip technique requiring wrist rotation, controlled extension, and precise targeting is not.

    In many scenarios, this creates a “lose-lose” situation for the opponent — to stop the movement, they must place themselves directly in the path of the edge. This hooking motion turns every RGEI strike into a deep incision by utilizing the torque of the core.

     

    Small double edge pikal reverse grip knife and trainer
    Small double edge pikal reverse grip knife and trainer

     

    Epick Bladetricks Pikal Blade
    Epick Bladetricks Pikal Blade

     

    Bladetricks Fratello Pikal Knife Blade Detail
    Bladetricks Fratello Pikal Knife Blade Detail

     

     


    Mechanical Advantage

    Analytically, the RGEI configuration optimizes a kinetic strike by aligning the vector of force with the natural contraction of the arm. Unlike edge-out tools, a reverse grip edge-in knife utilizes the superior torque generated during inward movement. This mechanical advantage ensures the edge maintains contact through the entire arc of the strike, maximizing depth without requiring extra space for acceleration.

     

    Bladetricks Custom Nosaf Raal Pikal Knife
    Bladetricks Custom Nosaf Raal Pikal Knife

     

    Bladetricks Bribon discreet EDC Pikal Knife
    Bladetricks Bribon discreet EDC Pikal Knife

     

     


    The Withdrawal: The Second Strike Built Into the First

    Most discussions of this technique focus on the thrust. This is a mistake, and it reveals a surface-level understanding of what RGEI actually does. The thrust is the entry. The withdrawal is the consequence.

    When a pikal blade achieves penetration, the inward pull expands the wound channel using the full force of the back and bicep, transforming a puncture into something that functions mechanically as a plow. Every structure in the blade’s path during that withdrawal — tissue, vessel, fascia — is addressed. The opponent faces a specific problem: to intercept the movement, they must place themselves directly in the path of the edge. There is no neutral option. This is the lose-lose architecture of a correctly executed reverse grip strike.

     

    Bladetricks DOA Triple Edge Pikal Knife, Micarta
    Bladetricks DOA Triple Edge Pikal Knife, Micarta

     

     

    Forensic medicine confirms what the mechanics suggest. Tissue compression during a forceful thrust means the wound track is frequently greater in depth than the physical blade length: the chest and abdominal wall compress on impact and decompress on withdrawal, extending effective penetration beyond the blade’s actual measurement. A 3-inch blade, correctly placed, can produce a wound track of 4 to 5 inches. Skin provides the highest resistance to penetration. Once it is breached, underlying tissue and organs offer substantially less opposition to a moving edge. This is why tip geometry on a reverse grip knife is not decorative. It is the tool’s primary mechanical asset.

     

    Bladetricks Custom Krav II Pikal double edge knife
    Bladetricks Custom Krav II Pikal double edge knife

     

     


    Axial Force and the Reverse Grip Advantage

    In a pikal grip, the skeletal structure of the forearm transmits total body force directly to the blade tip. This is mechanically superior to the sabre grip, where the wrist acts as a weak pivot point under heavy impact. In the RGEI orientation, force travels in a straight line from the shoulder through the forearm, making the tool an immovable extension of the arm. Anyone can verify this through a simple, safe test against a dead tree: the amount of pressure one can exert in reverse grip far exceeds what is possible in a standard forward grip.

     

    Bladetricks Gen II Mini Ice Pry icepick
    Bladetricks Gen II Mini Ice Pry icepick

     

     


    A.N. Nash and the Pikal Lineage (2010–Present)

    Since 2010, I have been designing pikal knives and tools that prioritize function. My early work served as a catalyst for the current global interest in reverse grip tools. Many RGEI designs seen worldwide today are clearly influenced by original Bladetricks models from over a decade ago. A connoisseur will observe that the core geometries of modern reverse grip tools — focusing on tip strength and high-retention handles — bear the DNA of my early iterations.

     

    Bladetrickds Zikit single edge Pikal knife
    Bladetrickds Zikit single edge Pikal knife

     

    Bladetricks custom made double edge Zikit Pikal Knife, Black G10 handle
    Bladetricks custom made double edge Zikit Pikal Knife, Black G10 handle

     

     


    Handle Ergonomics and Edge Alignment

    A pikal knife handle must provide more than just a place to hold — it is the steering wheel of the edge. The width of the handle is a critical factor in edge control, preventing the blade from rolling in the hand during the massive resistance of an inward rip. Adequate traction is not a luxury — it is a requirement to manage the blood, sweat, or moisture common in high-stress environments.

     

    Bladetricks custom made Reverse Grip Edge In Tanto Knife with a wide handle
    Bladetricks custom made Reverse Grip Edge In Tanto Knife with a wide handle

     

    Bladetricks Pecora RGEI Knife
    Bladetricks Pecora RGEI Knife

     

    Bladetricks Custom Krav III YAMAM Pikal Knife
    Bladetricks Custom Krav III YAMAM Pikal Knife

     

     

    Safety and Hybrid Designs

    A proper thumb rest or dedicated index point provides the necessary safety to prevent the hand from sliding onto the blade during high-impact axial thrusts.

     

    Bladetricks Krav III Pikal Knife, thumb rest detail
    Bladetricks Krav III Pikal Knife, thumb rest detail

     

    Bladetricks stainless Pikal knife, cord wrapped
    Bladetricks stainless Pikal knife, cord wrapped

     

     

    Long ago, I also pioneered the combination of pikal and karambit elements on a single blade, offering a hybrid solution for those who require the retention of a ring with the aggressive geometry of RGEI.

     

     

    Bladetricks Xikxak Pikal Karambit, Full Metal
    Bladetricks Xikxak Pikal Karambit, Full Metal

     

    Bladetricks Classic Nosaf Raal Karambit edge in Pikal version
    Bladetricks Classic Nosaf Raal Karambit edge in Pikal version

     

    Bladetricks DOA and Compact DOA karambits
    Bladetricks DOA and Compact DOA karambits

     

    Bladetricks double edge Nosaf Raal Pikal Karambit, cord wrapped
    Bladetricks double edge Nosaf Raal Pikal Karambit, cord wrapped

     

    Bladetricks Subcompact DOA Karambit
    Bladetricks Subcompact DOA Karambit

     

    Bladetricks Diyuk Double Edge Dagger Karambit, YAMAM Edition
    Bladetricks Diyuk Double Edge Dagger Karambit, YAMAM Edition

     

     


    The Blink Grip: Engineering the Instant Draw

    The most critical component of this system is not the strike. It is the draw. Research on combat stress is clear: in a life-threatening encounter, fine motor skills are among the first casualties of sympathetic nervous system activation. Hesitation during deployment — fumbling a retention mechanism, misorienting the edge — is the actual failure point. Not technique. Not blade geometry.

    To solve this, I developed the Bladetricks Blink Grip: a handle architecture that allows a near-instantaneous, blind-indexed draw from a Kydex sheath with no mechanical parts, no buttons, no conscious thought required. The edge is correctly oriented the moment the tool clears the sheath. It was designed for a body already in fight-or-flight — not for the calm, controlled environment of a training hall.

     

     

    The Blink Grip has become a global reference point for pikal and self-defense knife design — a fact I note without enthusiasm, given how liberally the concept has been adopted without credit.

     

    Bladetricks Balbala Collection of Pikal Reverse Grip Knives and Karambits
    Bladetricks Balbala Collection of Pikal Reverse Grip Knives and Karambits

     

    Bladetricks Tarantula Pikal Karambits SD Backup knives
    Bladetricks Tarantula Pikal Karambits SD Backup knives

     

    Bladetricks Ice Pry Karambit with Blink Grip Fast Draw Handle
    Bladetricks Ice Pry Karambit with Blink Grip Fast Draw Handle

     

    Bladetricks Rascalito Collection of Pikal EDC knives
    Bladetricks Rascalito Collection of Pikal EDC knives

     

    Epick Blink Grip Pikal Combat Knife in 4340 steel
    Epick Blink Grip Pikal Combat Knife in 4340 steel

     

    Bladetricks Custom Made Blink Grip Double Edge Nosaf Raal Karambit, Natural MIcarta scales
    Bladetricks Custom Made Blink Grip Double Edge Nosaf Raal Karambit, Natural MIcarta scales

     

    Bladetricks Blink Grip Double Edge Subcompact DOA Pikal Karambit, Balck G10
    Bladetricks Blink Grip Double Edge Subcompact DOA Pikal Karambit, Balck G10

     

    Bladetricks Pikal Ti Fruit Knife Fast Draw
    Bladetricks PIkal Ti Fruit Knife Fast Draw

     

     


    Geometry and Blade Profile: The Shift to Traditional Shapes

    While the majority of dedicated RGEI knives feature a hooked or hawkbill profile — often reminiscent of karambit blades — I have shifted my focus toward more traditional shapes. While a hook excels at the rip, it can limit the tool’s versatility and increase the difficulty of sharpening.

     

    Bladetricks Saña Double edge kiridashi pikal knife
    Bladetricks Saña Double edge kiridashi pikal knife

     

    Bladetricks Pikal Knife Balbala
    Bladetricks Pikal Knife Balbala

     


    Versatility and Maintenance

    On models like the Tusk Knife or the discreet Diplomat, I utilize straighter, more traditional geometries. These profiles maintain the pikal advantage in the reverse grip while providing a more robust tip and a cleaner path of entry. They are easier to maintain and offer the professional a more balanced tool that does not sacrifice the catastrophic potential of the inward strike for the sake of a curved aesthetic.

     

    Bladetricks Diplomat Low Profile Pikal Knife, Micarta
    Bladetricks Diplomat Low Profile Pikal Knife, Micarta

     

    Custom Made Bladetricks Diplomat Pikal Knife, Black G10
    Custom Made Bladetricks Diplomat Pikal Knife, Black G10

     

    Bladetricks PRK Pikal Reverse Grip Edge In Karambit
    Bladetricks PRK Pikal Reverse Grip Edge In Karambit

     

    Bladetricks Diyuk Mini DOuble Edge Karambit Dagger, Black G10 & Copper
    Bladetricks Diyuk Mini DOuble Edge Karambit Dagger, Black G10 & Copper

     

    Bladetricks Progressive grind blade Tusk Pikal Knife
    Bladetricks Progressive grind blade Tusk Pikal Knife

     

     


    Limits of the Technique

    The pikal system is highly specialized. While it dominates in close-quarters confrontations and clinches, it inherently lacks the reach of a sabre grip. It is a tool of commitment, optimized for the ranges where most real-world edged weapon encounters actually occur — not the dueling distances where most knife training takes place. Blade length is generally kept compact, between 50 and 100 mm, to ensure the tool remains concealable, maneuverable, and fast to deploy. Understanding these limits is as important as understanding the advantages. A specialist who does not know where his tool ends is not a specialist.

    Since 2010, I have designed pikal knives and tools around these principles. The geometries developed in those early years are now visible in the work of makers around the world. I take that as confirmation that the mechanical logic was correct — not as a compliment.