Between these three cases, we like the look of Bones the least. It’s reminiscent of SwitchEasy’s CapsuleRebelX for iPhone 4/4S, but more cartoony. The base of the case is pretty straightforward: polycarbonate covered with solid colored polyurethane rubber that easily wraps around the iPhone’s body. That’s then augmented by reinforced plastic bones—actual bone shaped protrusions—around the edges, over the buttons,…