Using a Knife for Self Defense | Weapon Types, Grips & Tactics Knives are deadly — this video is about responsible self-defense, not violence. In Knife Fighting 101, Damian Ross breaks down the foundations every responsible person should know: safe blade selection, how different grips affect control, how and where you should carry and present a knife for defense, and important legal and safety considerations before you ever touch a blade. What you’ll learn (overview): • Why blade choice matters