SmallRig Back Module "Z-Back" for Z Cam E2/S6/F6/F8 MD2969 is designed for protecting battery and cables. It provides perfect protection by mounting on the back of the camera via 4 M3 screws. The Z-Back features multiple mounting ports for accessories and devices, which helps balancing the front-heavy camera setup. There are standard Nato rails on both sides for accessory attachment such as wooden side grip 2117 and articulating arms 2071, and multiple 1/4"-20 threaded holes for device installation like V-Lock battery with Mini V-Lock plate MD2801, which constitutes a great power solution for your camera or other devices to extend shooting time.