The US Open of Surfing is the largest gathering of “action sports” fans in the world; over half a million of them turn up to watch surfers, skaters, and BMXers ride at Huntington Beach, surrounded by more teen flesh and bad choices than you can shake a blank deck at. The mayhem is a fitting place for Coastal Carnage, the Converse-sponsored bowl jam that juxtaposes today’s hybrid rippers with the pros of legend in a chaotic competition format that brings to mind the 80s heyday of tranny contests.