Feature 1 360 Rotatable Ball Base: Shoulder strap backpack base adopts 360 rotating base, which can not only rotate 360, but also can be fine tuned horizontally to correct the angle of the camera. 2 Hook and Loop Design: The shoulder strap is designed with hook and loop, and the adjustable shoulder strap is suitable for different sizes of shoulder straps, providing more possibilities of use. 3 Expandable Backpack Fixing Mount: Quick release backpack camera mount can be connected to the backpack fixing bracket and transfer the mini selfie stick at the same time. 4 Comfortable To Wear: Backpack mount shoulder strap is made of elastic nylon which is very soft and comfortable to wear. Ergonomically designed, the weight is evenly distributed through the shoulder pads. 5 Portable Design: Ball base shoulder strap mount is perfect for hiking, skiing, mountaineering, biking or other outdoor sports activities, completely hands free for great shots.Item Type: Backpack Shoulder Strap MountMaterial: Aluminum Alloy, Nylon, ABSApplicability: For Hero 10 9 and Other Action Cameras Package List1 x Strap Mount1 x Ball Head Base1 x Screw