Cable Hill at Grey Rock ORV Park in Alabama is one of the most infamous hills in the world of rock bouncer racing. It’s composed of mostly slate rock, usually wet and/or muddy, in layers that bounce the living hell out of man and machine all at once. The proper approach to Cable Hill going up is to stand on the gas until you are at the top and pray that your rig stays in a mostly straight line. That’s much easier said than done. Danny Smith and his rock bouncer “Warfare” recently made a couple of runs up Cable Hill and all we can think about is whether or not these drivers wear some kind of system that keeps their internal organs in the proper places. Between the bouncing, the jumping and the occasional rollover crash, you’d think they would. Click play below to see how to dislodge a kidney in five seconds flat!