If you do not yet have a damper you need the Complete kit which includes everything you need

The crash bar extension made of robust

The shin and ankle mechanisms allow a symmetric closure

itemId=RMS-2303031B

preventing water to be channeled inside the helmet

GoPro - Surfboard Camera Mounts past type tag-Boots - Track/Race If you do not yetMount your GoPro to surfboards, kayaks, SUPs, boat decks and other gear where maximum holding strength is needed. Includes 2 Surfboard Mounts, 2 adhesive anchors and 2 camera tethers Perfect for surfboards, kayaks, SUPs, boat decks and more Ideal for activities where maximum holding strength is needed Not recommended for Softtops