Self-Defense - Karate Body Punch "Seiken Choku Zuki"
Human Weapon: This video tutorial shows you how to do a Karate Style Body Punch Strike, This Move is called the ' Seiken Choku Zuki '

Self-Defense - Karate Punch Blocking "Uchi Uke"
Human Weapon: This video tutorial shows you how to do a Karate Style Punch Block, This Move is called the ' Uchi Uke ' (outside mid-level block)

Self-Defense - Judo - Juji Gatame
Human Weapon: This video tutorial shows you how to do a Juji Gatame. The juji-gatame is derived from judo.(十字固, "cross armlock" or technically referred to as ude-hishigi-juji-gatame.