In one of the most obvious cross-promotion campaigns that could have ever been done, Birkenstock has introduced the Jerry Garcia line of sandals. I knew they existed elsewhere but Birkenstock is the biggest. They’re the Air Jordans of hippy shoes. And yes, I own a pair. I’m not necessarily endorsing these one way or the other, but Birkenstocks are damn comfortable and they’re definitely worth the price. [via Jambands.com]