Wheelchair Rail - Tube Mount with Double Socket Swivel Arm for iPad mini 3. (sku 21751)Wheelchair Rail and Tube Mount with Double Socket Swivel Arm for iPad mini 3. This Mount features a tool less Small Tough Claw base with 1" rubber ball, a Double Socket Swivel Arm with central hinge together with a dedicated Apple iPad mini 3 cradle. With two points of rubberized 360 degree rotation and a connecting central pivot hinge joint that rotates forward and back 180 degree together with the rotation of the Tough Claw this mount allows almost