If you've seen Marware's cool Sidewinder cases with integrated headphone cord management systems, Sidewinder for iPhone ($25) will look like the same idea, minus the old case's entire front. Marware has changed the iPhone version into a holster that can hold iPhone backwards or forwards on your belt, while still managing your headphone cord on its right side. Clear protective film is included for iPhone's face, as is a microfiber cleaning cloth, and…
