You may have watched it on TV now you can do it for yourself... I'll just watch. TB
Over the years I have signed plenty of liability waivers before doing thrill-seeking adventures such as bungee jumping, dog sledding and rock climbing, but I have never had somebody explicitly tell me that I will get injured. Not just a chance of injury here, but a promise of at least some bumps and bruises.
via abcnews.go.com