We rarely post single-trick videos, but this one is way too epic to pass up. Anyone who has ever stepped foot on a skateboard will understand how difficult switch backside tricks are — a switch backside 180 on flat is hard enough, and seemingly impossible to many. Popping and turning a full switch backside 360 is a proper feat in its own right, but doing it over a picnic table defies belief. Carlos Ribeiro recently became the very first person to achieve the feat, and here's the footage. Mental.