Zane's incredibly stupid human trick

Zane has the most flexible wrists and fingers of anyone I have ever met. Tonight I was doing a little parental authority implementation by wrestling and demonstrating my superior strength and wisdom. Unfortunately when I showed Zane the game of "Mercy" where you interlock fingers and try to bend the other person's hands backwards until they say "mercy" or "uncle" he was unbeatable because of his freakishly dexterous hands. Here's a little video sample for posterity: