This '70s-themed drinking-while-rollerskatin' throwdown hits LA for the first time, with DJs cranking retro jams while skaters careen around the Echoplex's wooden floor. If you your friends loved you enough to tease you into throwing out your rollerblades, you can rent four-wheelers, most of which'll randomly contain tickets for gratis Colt 45, and others, athlete's foot.

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The first 50 RSVP'd people through the door also get free Colt 45; sign up at DownAndDerby.org