This belongs in it
http://cheezburger.com/61911297 
For those not interested in copy/pasting the link, Uriah Faber is now teaching full contact skydiving, which is exactly what it sounds like.
That sounds like a terrible idea. How about full contact bungee jumping?
As tarded as this is, there is something undeniably badass about seeing an armbar get locked in mid-freefall. Still, rear naked chokes at a few thousand feet in the air just don't seem like a good idea.