The head strap keeps your gopro hero camera mounted to your head without a helmet it is the same accessory that comes with the helmet hero camera and works well as a replacement or spare strap the wrist strap for the gopro hero cameras allows you to wear your hero action camera much like a watch the camera mount pivots allowing the camera to lay flat sit parallel to your wrist or be set at any angle in between the suction cup mount is simply the best accessory once fully you can rotat