GOPRO Jaws Flex Clamp . Attach your GoPro to roll bars, railings or any tubes between 1.4 to 2.5in (3.5 to 6.35cm) in diameter. The push-button, 360° rotating base with 16 lock positions lets you capture shots from any angle. Move your camera between mounts on the fly with the included Vertical Mounting Buckle. Available from H20 Sports with Free Next day shipping.