The core idea behind all of these cases?four colors are available for the nano, with two color options for the classic and touch?is to cover most of the iPod save for its screen, controls, and ports with a leather-wrapped hard shell similar to ones we?ve been testing for years from Vaja Cases and its lower-priced cousin, Case Mate. Here, the twist is that the leather is vertically striped rather than just a single color, except for?