RAM Plastic Double Socket Swivel Arm w/ 1" Ball It is a great item

It is a great item to use simultaneously with the BCD GoPro mount

connected to a 1" diameter ball

you can either offload videos from the microSD card for storage

It allows you to connect wireless mics

USB capture video complying with UVC for live streaming

RAM Plastic Double Socket Swivel Arm w/ 1" Ball It is a great itemThe RAP B 200 2U consists of double 1" diameter open ball sockets with a 360 rotation point at the center and a connecting swivel joint that rotates forward and back 180. The rubber ball and socket at either end, and a central pivot point provides unsurpassed adjustability. The RAM ball sockets maximize ball coverage for optimal fit.