Knucklecase: Original Patented Knucklecase for iPhone 5
knuckle duster is not usually associated with ‘sleek’ and ‘friendly’, but in the case (no pun intended) of the Knucklecase: Original Patented Knucklecase for iPhone 5 happens to be both. painstakingly crafted from a solid block of aluminum, the Knucklecase is fashioned after the notorious knuckle duster