SHORTCOMINGS OF THE ZIP-TIE KNIFE DEFENSE TECHNIQUE The zip-tie knife control technique is a commonly taught knife defense technique, however it is not a viable defense in real-world scenarios. The method involves attempting to trap the suspect’s knife-wielding arm using a “zip tie” grip from the front, but this method consistently fails under pressure testing. It is nearly impossible to prevent the attacker from ripping their arm (and the knife) free from this hold. The position simply doesn’t