PROAIM Soundchief Channel Cart is made for your Complete Sound Crew; you could be an audio mixer, a boom operator, or a sound utility person; it suits you all It has a Boom pole holder, Antenna holder, coffee mug holder, and a Headphones holder for your ease The whole cart is designed in the channel version so that you can fix the shelves wherever you want; the provided Rack Mount offers you the ease of accessorizing it; It has multiple triangular inserts & bungee cords to harness your gear securely It has Bicycle Pneumatic Rear wheels, and the front is installed with Caster wheels to keep your Sound Mix Cart functionality swift & intact 100% customer satisfaction guarantee; Buy with confidence