We covered many skins here on Gadgetmac, from carbon fiber, leather and vinyl skins for the iPhone, iPod Touch, iPad and even MacBooks. Until now skins have been the preferred and cheap way of having some sort protection against scratches and even a neat way of adding some color and flare to your device. Those skins that we're all accustomed to are all flat with little to no grip. id America's latest Cushi skins are here to change all of that. Catch the full review of these wacky 3D-like textured skins for the iPhone 4 right after the jump.