While the universal bane of beachwear is figuring how best to tote your cash and keys, these new flip-flops from Spyder seem to have the problem covered. Of course, while the hidden heel is definitely nice, I'm still holding off until someone creates the perfect Swiss Army Flop-- combining the bottle-opening genius of Reef's footwear with this sort of secret wallet compartment. Fingers-crossed that the 2 giants of flip flop innovation will learn to build off each others' brilliance. Link via PopGadget.