Looks like the "young master" has pretty good extension on that vertical snap punch.
Of course, I am sure that he is just about to open a serious can on that poor guy holding him in the "instructor holds the kid" grab. I have seen that technique in action a couple of times, and I am thinking that this is the two-attacker version.
Yeah, you know, where the "holdee" executes a left snap punch to the first attacker, then pulls the punch back into a left back elbow to the "holder", catching him in the throat, then.....