Falling off of a skateboard is violent. The transition from coasting effortlessly through the air to writhing on the ground happens in an instant. Most of the time, you only have yourself and inanimate objects to blame. Maybe you clipped a curb, maybe you hit a dangerously inconspicuous pebble, or maybe you’re not as good as you thought you were. Whatever happened, you need to get up quick. After your skateboard shucked you off it decided to continue rolling towards an open sewer drain.