Hmmm, what was different in this vid tutorial, that I was totally paying attention
...Excellent Instruction and demo person
https://www.youtube.com/watch?v=4lZytwlTFPY&feature=related
Gist: to effect KO, X strike must connect at an angle to torque the brain/CNSystem via rotational force/brain sloshing in the skull
Great demo of the kinetic Chain Richie.....
Warren....Pardon to Richie's regular demo guys in my comments .