What a dude! That's a great way to have fun when you can't do much of the things people are doing. I'm sure he's having the time of his life since he has been in this chair. I know I'd do the same thing If I was him.
my friend broke his leg on a tramp, and he can shred with a wheelchair. he tried a wheelie 360 and fell onto his back with the chair ontop of him. shits sketchy.also, for your viewing pleasure: