... professional GND ground wire interface , you can use a wire received a jukebox rear GND interface, a receipt of the nail, iron nail will ... the belt: Step 1: turntables middle of a clamp (above the identity of B), this clamp with the word screwdriver down the middle ... the hollow clamp at the outside a little harder, that is, clamp can be removed Step 2: The turntable lift, belt set on a turntable ...