Self-Defense - MMA - The Sprawl Human Weapon: this video tutorial shows you how to do The Sprawl trick. It is defensive technique that is done in response to certain takedown attempts.
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.