iSkin today announced the availability of its new iPod Duo, which offers protection for the iPod nano. The iPod Duo features a dual layer shock-resistant silicone skin that guards against bumps, scratches, dirt, and other unwanted elements. Constructed of scratch-resistant silicone rubber, iSkin iPod Duo is a form-fitting protective skin that is designed to integrate with the appearance of the iPod nano and allows for complete functionality of its controls. iPod Duo is available now for US$29.95.