From Incipio comes Frequency ($16), one of the very few seventh-generation iPod nano cases on the market. Modeled after the case of the same name that's available for the iPod touch 5G and iPhone 5, Frequency is made out of the company's NGP rubber. It wraps around the body, leaving the bezel and screen fully exposed. The Home button is covered while the Lightning and headphone ports are open at the bottom. At the top is a loop that can be used to…
