An iPod Nano case is designed to protect the device from external wear and damage, while providing the user with complete functionality and handling. Three different designs, or "generations," of the case have been manufactured in the past, with a possible fourth leaked on to the Internet by the blog Engadget.Engadget: Supposed 4th gen iPod nano case... (August 24, 2008) Currently cases come in a variety of materials, to include leather, plastic and silicone.
