Compatible with all GoPro mounting accessories Holds up to 2 GoPro cameras Works on flat or curved surfaces. Use cable ties or velcro for secure connection Patent Pending Designed, engineered and manufactured in USA The MULE mount makes it quick and easy to capture all the action with your GoPro. See the action and reaction! Compatible with all GoPro cameras and accessories the MULE works with one or two cameras. And thanks to its patent pending design, it can be placed on a variety of surfaces flat or curved. Secure it with cable ties or velcro for added security. Made in USA