The Chest Mount for KeyMission Action Cameras from Nikon features a KeyMission Base Mount on top for attaching your camera. Base Mounts support KeyMission cameras via optional Base Adapters specific to the camera. The Chest Mount secures around your upper body, positioning the camera on your chest, and enables hands-free shooting during sporting activities. It is water-repellent, providing for reliable shooting even during winter sports or on rainy days. Note : Please be sure to secure the Chest Mount to your body before attaching the optional Base Adapter.