Neewer 9-in-1 Surfing Outdoor Sports Accessory Kit for GoPro Hero4 Session Hero1 2 3 3+ 4 SJ4000 5000 6000 7000 in Swimming Rowing Skiing Climbing Bike Riding Camping Diving Application 1: Surfing Holder + Surface J-hook + Long Screw: The surfing holder has a bodyboard mount, a short base screw and a long base screw. It can be screwed in the bodyboards, soft-tops or foam surfboards (1.5-3 / 4-8cm thick). You can adjust the angle of your Gopro with a surface J-hook to catch the perfect shoot while surfing.^Application 2: Floating Grip Mount + Long Screw Bolt. Floating holder is designed to keep your camera (should be with a waterproof shell, not included) easy to float on the water.^Application 3: Wrist Mount + Long Screw Bolt. Free your hands while bicycling, climbing skiing and surfing. Secures your Gopro flat against your wrist for hands-free convenience.^Application 4: Head Strap + Long Screw Bolt. The adjustable head strap is compatible with all sizes Gopro Hero 4 3+ 3 2 1 Cameras. It allows you to use the Gopro camera on your head or a helmet to record those before you when skiing, riding .etc.^Application 5: Floaty Backdoor + Adhensive + Anti-fog Inserts. Whether you take your camera into the ocean or pool, or it falls in by accident, the floaty backdoor will keep your camera floating on the surface. Use the anti-fog inserts to absorb the water vapor in the waterproof case.[ 1