This listing is for 2x phot r security tethers for gopro with the phot r security tethers for gopro hero you can add an extra layer of security when using your gopro in extreme conditions attach the adhesive anchors to your gear then secure the camera tethers to the camera housing backdoor if your gopro comes loose it will remain attached to your gear adhesive anchors can be removed by applying heat from a hair dryer then peeling off helps prevent losing your camera in extreme conditi