Self-Defense - MMA - Armbar
Human Weapon:

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 - 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.