 "C2G RapidRun - coupling ring" " C2G ring 98015 Audio/Video Cables CDW.com
"Two coupling rings are provided with every PC (yellow) and Multimedia (blue) RapidRun runner cable for connecting break-away flying leads or wall plates. This 2-pack is available to replace those rings that are lost or misplaced.After installation, remove the pulling cap from the runner cable. Attach the coupling ring to the runner cable. Each end of the coupling ring has different threads. The knurled end will face away from the cable. Connect the break-away flying lead or wall plate to the runner cable via the coupling ring." 
 "MCOCEAN Accessories Set for GoPro Hero 4 / 3 Plus 2 and Camera (33 Items)" "Body Mounted Cameras - Page | All Fitness Gadgets"
"About MCOCEAN,   this is an essential combo kit for all the gopro lovers. Suitable for all the sizes of gopro cameras, including gopro hero 4 hero 3+ hero 3 hero 2 cameras. Each of our small parts are manufactured by our professional team, so no need to worry about its quality and durability.    Once your item arrive, let us know if you have any problems. We are here to make sure you receive the best customer service and are 100% happy with your purchase.   What's included:    1 x large storage protective carry case(32x21x7cm),     1 x telescoping handheld monopod,     1 x chest harness,     1 x head strap,     1 x wrist strap,     1 x car suction cup,     1 x handlebar seat post pole mount & thumb screw,     1 x roll bar mount & thumb screw,     1 x J-hook mount,     1 x tripod mount adapter & thumb screw,     2 x drawstring bag,     2 x 6 pieces anti-fog inserts,     2 x flat adhesive mount & 2 x flat adhesive,     2 x curved adhesive mount & 2 x curved adhesive,     2 x 3-way pivot arm(each composed of 2 x joints & 2 x thumb screws)." 