RE: the glass jaws on the two fellows , when you stop and think about it, most people have never been hit by a punch thrown correctly, and don't know how to take a punch via roll with it and so on . there is a learning curve to some extent to being able to adjust after getting hit with a good solid punch . most guys will fall just like these 2 snuffs . because the body freezes to some extent when hit solid, it takes experience and adjusting to get use to the feeling of getting hit and being able to retaliate in a timely manner .