IextremeOfficial via Amazon offers its Iextreme 43-in-1 Action Camera Accessory Kit for $15.29. Coupon code "7RM8O4GE" cuts it to $10.70. Plus, Prime members receive free shipping. That's the lowest price we could find by $7. This kit is compatible with all GoPro cameras. It includes a chest harness, helmet strap, selfie stick, head strap, phone clamp, bicycle mount, two tripod mount adapters, 12 anti-fog inserts, and floating hand grip.