Sold for $43, this generically-designed PDA-style flip case for the iPhone is unique only in its use of materials. Its glossy red Italian leather exterior -- also available in black or distressed slate gray -- is augmented by a black velvet lining, four interior card pockets, and a smooth, flat belt clip-less back. The black version is also sold with a detachable belt clip. While we really dislike flip-style cases, the leather on this one looks sharper…