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.
Self-Defense - Karate Body Punch "Seiken Choku Zuki"