This is the Riffe Go Pro Camera Mount for Mantis & Mantis 5 Spearfishing Mask Features: Remove screw at mask top center. Remove the small black center/top section of the frame and replace with the Go Pro mounting bracket. Secure with the pin/screw that is provided with the mount. Attached your GoPro camera and secure with the Go Pro&';s thumb screw knob (provided with GoPro housing). Now, you&';ll never miss a shot! Capture all your spearfishing action and you&';ll never have to convince your friends you killed it out there. RIFFE&';s Go Pro mount attaches to either the RIFFE Mantis or RIFFE Mantis 5 mask. Includes mounting bracket and pin/screw.