This magic arm is generally used to attach accessories to the cage, such as monitor, light, audio recorder and so on, and plate that features 1/4"-20 threaded holes.
The wooden handle grip with standard M6 ARRI rosette mount is specially designed for DV video cage, compatible with RED camera, Red Rig and other SLR Camera Rig.
The HDRiG 9" Articulating Magic Arm is used to mount small displays on prosumer and professional camcorders and it comes with a shoe mount on one end for accessories.
The HDRiG Handgrip Pair for DSLR shoulder mount rig is an adjustable dual cheese handle system features ARRI rosettes M6 mount and a dual 15mm LWS rod clamp.