This collection of $25 leather cases for the third-generation iPod nano consists of four versions -- the Sleeve Type, which comes with a lanyard, Sleeve Type ver. 2, which has a spring-loaded metal carabiner clip, Sleeve Type ver. 3, with an integrated belt clip, and Flip Type, which opens like a traditional PDA case and includes a detachable plastic belt clip. The Sleeves all include screen protectors, but not Click Wheel protectors; Flip Type's…
