Add a Mouse or Trackpad to Your Tethered Setup. Designed for the TetherGear Laptop Deck, the TetherGear Mouse Deck from Manfrotto lets you incorporate a mouse or trackpad into your tethered setup. Featuring aluminum construction and a matte neoprene surface, the Mouse Deck supports infrared mice and trackpads. It may be used in either left- or right-handed configurations in multiple positions and secures to the LaptopDeck using two included 3/8" bolts.