Complete assembly design of product-ready files for CNC machine. A door hangboard, also known as a door-mounted fingerboard or hangboard, is a piece of climbing training equipment designed to help climbers improve their finger strength and grip. It typically consists of a small, rectangular board with various types of holds, such as pockets, edges, jugs, slopers, and crimps, attached to it. These holds are strategically placed to target different finger and grip strength aspects.