The Cup Holster is a desk mounting 3 position cup holder that clamps to almost any surface! Sick of cluttered desks? We were too! We developed the Cup-Holster with cluttered desks in mind. The Cup Holster can prevent costly spills and save you valuable desk space! The Cup Holster is perfect for holding cups, mugs, bags, headphones, keys, tv remotes, phones, and much much more! The clamp attaches securely to the side of your desk, and the cup holder portion slides firmly into place in one of its three positions allowing you the option to have your mug handle always face the direction you desire.