The GoPro Chesty Chest Mount Harness (Model GCHM30-001) is a black plastic accessory designed for GoPro cameras. It is compatible with models such as the HERO9 Black, MAX, and HERO8 Black. The adjustable harness is easy to snap on and is specifically designed to securely attach your camera to your chest, allowing for hands-free use while capturing unique perspectives during various activities. Made by GoPro, this harness is a reliable and durable option for photographers and videographers looking to add a new level of versatility to their gear.