Adjustable Chest Mount Harness (for GoPro Hero HD 3 2 1) Compatible with: Gopro Hero1 / Hero2 / Hero3 Chest Harness for your quick-release HERO camera. Comfortable, fully-adjustable design Perfect mount for skiing, kayaking, biking, motocross, equestrian and other action sports Lets you capture your knees & skis on the slopes, or your bike frame & handlebars