Head Smash

I was practicing karate tonight. I was doing San Ju Wazza (not spelled right. It is Japanese for "30 movements.") The head smash is a horrible move to contemplate. You pull the victim's head into your elbow. In a sense, you use one arm as a knobby club. I don't think I want to get that close to somebody I have to defend myself from. I would rather kick the snot out of them than pull them into me. I hope I never have to use it.