Self-Defense - Judo - Juji Gatame
Human Weapon: This video tutorial shows you how to do a Juji Gatame. The juji-gatame is derived from judo.(十字固, "cross armlock" or technically referred to as ude-hishigi-juji-gatame.

Self-Defense Sambo - Side kick
Human Weapon video tutorial: The Side Kick refers to a kick that is delivered sideways in relation to the body of the person kicking.

Self-Defense Marine Martial Arts - The Reap
Human Weapon: This video tutorial shows you how to do The Reap. This move is similar to a Judo Trip, same mechanics, just a little more practical, and less of a chance for the opponent to sprawl out.