I'm trying to brainstorm my way around a training artifact.Proper striking can be effective. I've put people down and broken bones with techniques ranging from hook punches to slaps. On the other hand, they're really idiosyncratic. If anyone tells you that a specific strike will always have a specific effect, the person is lying. Or misinformed. In my personal experience, I've taken a crowbar to the back of the head with no injury whatsoever, and a slap to the back of the head that left ...