Here's the best example of a brittle quartz jaw getting fragmentized: [ame]http://www.youtube.com/watch?v=ABZu5v2JPuE&feature=related[/ame]
[ame]http://www.youtube.com/watch?v=jCo6roE6UNU[/ame] [ame]http://www.youtube.com/watch?v=0em16mPPvR0[/ame]
That's a great one-punch KO of a glass-jawed opponent. Incredibly, no one knows who Pirog is here in Russia. When I mention him, they just make fun of his last name (which means "cake" or something similar).