https://alexnld.com/product/9-in-1-chest-belt-head-strap-floating-bobber-monopod-suction-cup-mount-handheld-selfie-monopod-carry-bag-set-for-gopro-hero4-3-3-2-1-sj4000/?hilite="ST-27 B-Model Chest Harness Strap Chest Mount Harness 3-way Adjustable Base for GoPro Hero 4 / 3 / 3 / 2 (Black)"