You know, guys, you're doing it all wrong. He doesn't want feedback, he wants a pet on the back, how great he is. Otherwise he would have heard to something anyone of you said and not just repeating to look at his speed. Regarding the speed, btw: The kids in our classes can flay their hands just as fast. And it has just as much to do with proper techniques and effectiveness as what to be seen in the video: Nothing. But at least the little ones know they are playing around.