.Chest Mount Harness Vertical Surface J-Hook Buckle. It allows you to install the gopro camera on your chest. The chest mount harness is fully adjustable to fit all sizes, making it easy to capture immersive video and photo footage from your chest. Perfect for skiing, moutain biking, motocross,paddle sports. Monopod Handhold Mount. It is a fashion to share an extendable handle monopod. It can be elongated and shortened easily (8 to 37in).It is only 8 inches when it is reduced to the shortest length. Easy to carry in your pocket or bag .No matter where you are (park, party etc), it will help you adjust the distance and height to take pictures of yourself, especially group photo.