The sony aka cmh1 chest mount harness for sony action cam brings the viewer closer to the action with a truly immersive vantage point and hands free shooting get interesting angles by rotating the action cam up to 360 degrees in a smooth vertical direction and from side to side with the pan articulated mechanism the chest mount harness can be used underwater when the camera is housed in its underwater case there is a detachable buckle which ejects the camera from its mount to ensure your safe