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.

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.

Self-Defense - Silat - Sinking Python
Human Weapon: this video tutorial demonstrates the Sinking Python trick.