iSkin today announced that it is now shipping its new line of iPod protectors for the second-generation iPod nano (Aluminum). The Duo protector combines a premium silicone inner layer with an impact resistant screen and face protector (VISOR) that’s metallic coated. The Duo comes with add-ons such as a bottom silicone docking port cover, a removable rotary belt clip, an universal dock adaptor for dock compatibility and an iSkin Adjustable Lanyard. The iSkin Duo is also plug-in accessory friendly and works with most docking devices such as speakers. The Duo comes in Pearl (White), Onyx (Black), Electra (Blue), Crimson (Red), and Olive (Green), and sells for US$29.99.