ShockDrop combines a heavily texturized rubber skin with the same snap-on plastic frame as Drop Tech—a piece with a permanently built-in screen protector that doesn’t alter how you interact with the Multi-Touch display. The rubber skin protects the iPhone 5’s Sleep/Wake, volume, and Home buttons while providing flip-open covers for the side switch and ports along the bottom edge. Despite the squared-off shape, ShockDrop is barely…