Self-Defense Kung Fu - Wire Fu Kick
Human Weapon: This video tutorial teaches you how to do the Wire Fu Kick technique.

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 - Muay Thai - Flying Knee
Human Weapon: This video tutorial shows you how to do a Muay Thai Technique. A flying knee (known as hanuman thayarn in Muay Thai, and sometimes called a jumping knee) is a knee strike very similar to a front knee, except that it is performed in stand-up fighting by jumping, and often by rushing towards the opponent.