Check the listing for details. Tilta Tripod Holder for Boulder Camera Cart, Black. Color: Black, Condition: New. Listed at 98.88 USD. Introducing the Tripod Holder for Boulder Camera Cart. This Tripod Leg Holder uses a clamp based connection onto the Steadicam Dock for Boulder Camera Cart. This allows users to mount their Tripod Legs directly to the camera cart. The height of this accessory can be adjusted to accommodate a range of different length Tripod Legs.