This is the Hollis M3 Mask GoPro Mount Clip Features: Hands Free Photography Capabilities Fits: Hollis M3 Mask (see SKU: HLSMM3) Mount your GOPRO Camera and Housing on Mask Durable DELRIN Plastic Construction Easy-to-Install with Hex Key Wrench Film Underwater Adventures with Ease You have a Hollis M3 Mask and want to mount your GoPro camera and housing on your mask for hands free photography and video. The Hollis M3 GoPro Mount can give you this option. Made from durable Delrin plastic and is easy to install on the mask with a hex key wrench. Once mounted, your camera and housing can be attached to your mask when needed and you can film your adventures with ease.