"Why Do We Fall, Master Wayne?"
Fall breaks may not be the most fun to train, but you can watch at 3:55 of this video to see why they are so useful. The fact that Anthony Pettis dislocates his shoulder and still wins does not undermine the importance of knowing how the hit the ground safely. So thanks to Charlie Barefoot for finding that video. For more examples of why falling is bad, please enjoy this video of Parkour fails: