In our continuing look at the weird and wonderful sport of rock bouncing, where man and machine defy gravity, BustedKnukle Films has assembled a clip of the not-so-pretty side of things. Turns out every once in a while Mother Nature likes to remind us lowly human types that what goes up, must come down.

Tim Cameron might as well be a geologist. How do we know? The guy and his Showtime 2.0 Buggy simply can’t stay away from the rocks. Turns out he likes hills too. Check out this clip of some of the hills he’s bounced, banged and blasted up this past year: