If you use your GoPro Hero camera on the water, the GoPro Floaty Backdoor is cheap insurance. In easy-to-spot blaze orange, this buoyant backdoor accessory keeps your camera on the surface in case your drop it in the drink. The device attaches to the backdoor of your camera’s water-housing with industrial strength 3M adhesive. The kit comes with a spare water-housing backdoor. A final caveat: The GoPro Floaty Backdoor will not support the weight of the suction cup mount.