iPod accessory manufacturer Mophie today unveiled the Ratchet 360° Belt Clip Swivel case for the iPhone, iPod touch, 3G Nano and Classic. The case includes a Base Case silicone sleeve, which the Ratchet then tightly grips from the sides, and pivots to store the device at any angle. Mophie offers the Ratchet 360° in two color combinations: pink/blac…