Apple iPod nano (7th generation) review - The Gadgeteer
Identify your iPod model - Apple Support
Amazon.com: for New iPod Nano 7 8 Case, Crystal Clear Transparent Full Hard Cover Case for Apple iPod Nano 7 7th Gen 8 8th Generation (Clear) : Electronics
Apple ipod nano 1st and 2nd generation 2gb, 4gb 8gb - various colours | eBay
Amazon.com: for Apple iPod Nano 7 Case, Belt Clip TPU Rubber Gel Soft Skin Case Cover for Apple iPod Nano 7th Generation 7G 7 + Clear Soft TPU Skin Case Cover (Black) : Electronics