Self-Defense Kung Fu - Sanda Takedown
Human Weapon: This video tutorial teaches you the Sanda Takedown trick.

Self-Defense Sambo - Leg Sweep
Human Weapon video tutorial: Leg Sweep or leg trip refers to a technique in which the combatant performing the leg trip uses his or her own leg(s) to off-balance an opponent, hence causing the opponent to fall to the ground.

Self-Defense - Krav Maga - Buttstroke
Human Weapon: This video tutorial shows you how to do the Buttstroke technique from Krav Maga.