Mcocean Direct via Amazon offers the Mcocean StrapMount BackPack / LifeVest / Scuba Mount for GoPro Cameras
for $18.99. Coupon code "2ZQ5NGKK" cuts it to $9.49
. Plus, Prime members receive free shipping
. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $6.20.) That's $21 under the best price we could find for a similar item elsewhere. It mounts a GoPro camera to backpacks, scuba BCDs, and life vests, and features a quick-release plate.