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 - Eskrima, Take Down Defense
Human Weapon: This video tutorial teaches you how to do the Kali Eskrima Flip style take down defense for when an individual goes to wrestle. "Eskrima" or "Escrima" refers to a class of Filipino Martial Arts that emphasize stick and sword fighting.

Self-Defense - Judo - Okuri eri jime
Human Weapon: This video tutorial shows you how to do an Okuri eri jime. Okuri-Eri-Jime (送襟絞) is one of the twelve constriction techniques of Kodokan Judo in the Shime-waza list.