Self-Defense - Savate - Back Leg Sweep
Human Weapon: This video tutorial shows you how to do a Back Leg Sweep.

Self-Defense - MMA - Double Leg Takedown
Human Weapon video tutorial: The double leg takedown (colloquially simply known as a double leg or even double) involves grabbing the opponent with both arms around the opponent's legs while keeping the chest close to the opponent, and using this position to force the opponent to the ground.

Self-Defense - Karate Inside Leg Kick "Gedan Mawashi Geri"
Human Weapon: This video tutorial shows you how to do a Karate Style Inside Leg Kick, . This Move is called the ' Gedan Mawashi Geri '