Boats aren't the only thing you can test at the Miami Boat Show. The folks at Crocs, makers of those fashion-backward but oh-so-comfy shoes, are offering show visitors a chance to amble around in a pair. That's right. You can test the shoes. If you decide you like them, you can buy the pair you're wearing, return them for an online coupon or choose a, um, fresher pair to take home. Veteran boaters say the non-slip soles take the hazard out of life on a wet deck. And hey, even the President has some. Just don't forget to add some decorative jibbitz to your new footwear. Mad Mariner's favorite? The pirate flag, of course.