The simple and durable phot r 3 way adjustable arm and a quick release buckle for gopro hero which is specially designed for the gopro hero action cameras it is made of hard plastic and metal and allow 3 way adjust ability to ensure you can get the angle you want the phot r quick release buckle for gopro hero is designed so you can mount your gopro camera to other accessories such as the waterproof housing helmet straps head and chest mounts as well as various other accessories the buckle