What happens when you get a bunch of skateboarders together, strap brightly colored neon Tetris blocks to their heads, and let them run wild on the streets of San Francisco? This does.

Check out the video below to see it all come together.

Someone should have probably told this guy before he tried his daring rail-slide, bruises and broken bones were a well known part of skateboarding.

The trick seemed to be going smoothly.  That is until it was time for the landing.  Falling backwards, he sticks his hands out to break his fall, but the only thing that he would end up breaking was his arm.  At least that’s what it sounds like he did.

Don’t drink and skate…