these grabs should not be performed unless the user has a crash mat and a experienced bocker with you at all times during the stunt
Some of the pictures shown here are done my professionals and should not be attempted for first time bockers
(no really dont its VERY dangerous!!)
You make it sound like you're going to die if you even attempt any of the moves, which is NOT true. I think your descriptions might put people off the sport as you make it sound very dangerous, which it is not. It also makes the people you have listed seem "better" than everyone else who bocks.
You can't learn without trying it.
which is bending your springs to there maximum bend this can cause the spring to snap after a period of "bottoming out"
In 2 years of bocking I have never heard of bottoming out causing springs to snap.