The AT-HPH300 headphone hanger is a convenient tool for safely storing your headphones in areas where space is limited The hanger Features an adjustable clamp that mounts securely to a shelf desk or other surface up to 3 5 mm (1 4") thick The hanger rotates 360 degree allowing you to store headphones unobtrusively under the desk or shelf or have out and at the ready to quickly grab when needed And with the hanger's soft leatherette pad you never have to worry about your headphones getting scratched or damaged A great space-saving solution