On Monday morning, April 18, 2018, an 8 year-old boy left home with a kitchen knife and also walked into his central Minnesota primary school school. Minutes later, the slashed three fellow pupils, eras 8, 9 and also 13 years. 

It was an instance of just how once again, a perpetrator doesn"t require intense knife training to reason damage come others, and homeland security specialists or enforcement agents should accept that anyone moving a knife represents a real danger, even if he/she appears that castle don"t have actually a clue as to what they space doing.

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Those who know just how to effectively use a knife understand that with knife combat, stabbing and also blood loss will certainly not necessarily and quickly incapacitate an attacker. Combat expert and author Michael Janich has done fantastic research top top this topic, and also after careful analysis of forensic data, contemporary trauma medicine and also consulting with professionals on this subject matter, Janich’s research concluded the very same sentiments.

In one article, “The Realities that Knife preventing Power”, Janich discusses a instance where a combatant received 50 stab wounds and also still controlled to fight for five minutes prior to collapsing early out to collective blood loss.

In a self-defense instance (or in a situation where your procedure requires you to incapacitate one assailant), every second counts. If you wound an attacker, but he still has the capability to execute the very same to you, you still may die.


When/if who is knowledgeable enough and his on purpose is to immediately incapacitate you, it"s necessary to understand human anatomy.

To host anything in your hand, such together a baton, CS gas or shield (if you are a police officer), the muscles of her forearm contract and pull ~ above the flexor tendons, i beg your pardon pass with your wrist and also are fastened to your fingers. If someone cuts or slashes the tendons or the muscles that power them, this connection is broken and your hand will no longer be able to close or to organize your baton, CS gas, shield or something else.

This concept applies to all muscle groups, tendons and limbs. If someone cuts or slashes the an essential tissues responsible for moving a limb, the attacker would certainly most most likely disable or at least severely hinder her limb’s function. Periodically this is described as "biomechanical cutting."


Therefore, your flexors tendons or muscle of the forearm, the biceps and also triceps muscles of your top arms, and also the major quadriceps muscle just above the knee, require reliable and also effective protection from a deliberate attack or cut.

Just over the knee, whereby the muscle narrow and also connect come the patellar tendon, this area is typically covered by a just solitary layer of pants material. That is a comparatively huge target, and if who is close sufficient to reach her body, that human will clearly also it is in close enough to reach her quadriceps. Cut this target is referred to as "mobility kill", and also it way that you will no longer have the ability to effectively protect yourself.

Although many will case that this method doesn’t work, historical evidence from sources says differently. Possibly the best-known reference originates from the Filipino martial arts. Their vital tactic is dubbed “defanging the snake”… or targeting the attacking limb to damage its structure and function. According to your symbolism, the weapon is the “fang” and also the arm wielding the is the “snake.” remove the fang indigenous the snake instantly eliminates the main threat to the defender -- the attacker’s weapon.

In the timeless Filipino knife arts, one of the prime objectives is to cut the attacker’s wrist or forearm. The score is come sever the flexor tendons that attach the forearm muscle to the fingers, ruining the attacker’s ability to fixed his weapon. Cutting the muscle on the within of the forearm can create the exact same effect.

Can you see the risks associated when challenged by who wielding a knife? most are concerned about being stabbed, but many trained specialists might have various other plans, and also that’s once slash resistant apparel makes sense.

Please describe the photo included with this post to know the most fragile "slashing targets." every "successful" cut or slash deserve to or will either result in rapid blood loss and also subsequent fatality (most likely caused by shock and also blood loss, or drastically decrease her mobility.) The photograph does not attribute all targets, yet is a choice of several of the an essential targets that the front of a human torso. 

The side of the neck and also throat just about even through the Adam’s apple. This area has the Carotid Artery and Jugular Vein. If either is reduced the attacker will bleed to death really rapidly. The Carotid is around 1.5″ below the surface of the skin, and also if severed unconsciousness, will an outcome in death in about 5-15 seconds.A an effective cut come the external side of the Pectoral muscle have the right to potentially sever the cephalic vein, which will certainly bleed profusely.A an effective cut across the front of the Deltoid muscle may sever the cephalic vein.A slashing cut throughout the biceps deserve to disable any type of motion of the arm and also can cause rapid blood loss.A slashing cut throughout the inside of the elbow joint. In enhancement to the countless veins, this area additionally contains the ligaments that permit motion in the forearm.A horizontal cut across the neck and throat will not only sever her Jugular Vein and also cause death, but will additionally cut the trachea and ligaments that regulate movement the the head.A an effective slash across your Pectoral muscle will damage your capacity to litter punches with any power.A an effective vertical slash, bring about the penetration that the abdominal wall, will an outcome in lose of activity and feasible disembowelment.A powerful horizontal slash to the abdomen, bring about the effective penetration the the abdominal muscle wall, will result in lose of activity and possible disembowelment.A much more than one-inch penetrating cut to the inside of the forearm in between the radius and ulna bones will certainly sever the radial artery (this artery runs throughout the optimal of the radius bone 2-4 inch behind the basic of your thumb). Severing the radial artery can an outcome in unconsciousness in as little as 30 seconds, and death in as tiny as two minutes.The Brachial artery runs along the within of your arms. This artery is deep, however severing that will result in unconsciousness in as tiny as 15 seconds, and also death in as tiny as 90 seconds.

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We are exceptionally passionate about safety, and also our mission is to let the civilization know that personal safety deserve to be improved drastically without compromising the capability to properly operate and also function. 


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Robert Kaiser is the CEO the PPSS Group. Throughout his to work career, Robert has been involved in, or responsible for countless security to work in several of the most daunting environments on foreign soil. His hands on approach and experience working in these atmospheres has proven to it is in invaluable throughout the development of SlashPRO® cut Resistant Clothing. He is a widely respected experienced in human body armor, aiming come effectively aid protect homeland security experts from firearms, edged weapons and also blunt pressure trauma.