We're a little too excited about these four-inch heels with a built-in bottle opener. You can crack open a beer whenever you need it! [$40, Hot Topic] — Although, after a few drinks, good luck walking in those shoes, much less balancing on one foot to open another bottle. These beauts have got us wondering. Are there any other ridiculously handy, dual-purpose products out there that we must own immediately? The answer is a resounding yes.