Product includes: 1x Chest Strap Mount, 1x Cell Phone Mount, 1x 1/4" Screw Adapter, 1x Extension Adapter, 1x Universal Screw, and 1x Anti-Lost Lanyard.
eBay
Vertical Bracket Adapter 360 Degree Rotation Chest Strap Neck Sports Camera Bracket Easy Installation Accessories for Gopro
Aliexpress UK
1 x Adjustable Chest Harness Mount. - Colour: Black. - Adjustable strap easily fits all sizes. 1 x Black Carry Bag.
eBay
For GoPro Accessories GoPro Hero 7 6 5 Protective Frame Case Camcorder Housing Case For GoPro Hero5 6 7 Black Action Camera
Aliexpress UK
KURTACC 3in1 Neck Phone Holder for Recording, Magnetic Chest Mount for GoPro Insta360 and Clamp for All Phones, Vlog POV Handsfree Neck Tripod for iPhone Magsafe & Any Android (Starlight). 【Wide Compatibility and Application】KURTACC 3 in 1 Neck Phone Holder is directly compatible with iPhone 15 14 13 12 Pro Max Plus Mini and can be used with Magsafe cases.
eBay
For GoPro Hero4 3 Waterproof Case Diving Underwater Housing Protector Cover For Gopro 4 3 Gopro 4 Case Shell Filter Accessories
Aliexpress UK
(7 - 54 kg). Chest mount is removable to accommodate smaller pets. 1 x Pet Harness Mount. 1 x J Hook Buckle. Compatible with GoPro HD Hero and SJCAM. 1 x Base Buckle. Color: Black. Unique design, makes your pet to be attractive and looks fashionable.
eBay
SmallRig Multi-Adjustable Chest Pad Mount Plate with Rod Clamp, Lightweight Chest Pad for Handheld Camera Operation -MD3183B
Aliexpress UK
Here we have a brand new GoPro ACHOM-001 Padded Chest Mount Harness for GoPro Hero 13 12 11 10 9 8 7 6, un-boxed.
eBay
Chest Strap Mount Belt for for Insta360 X4 X3 / ONE X2 Action Camera Chest Harness for Insta 360 ONE X 2 Sport Accessories
Aliexpress UK
Non-slip: The inner chest strap is made of anti-skid material, no worry about slipping during diving or surfing. - Comfortable and Breathable: Made of high-quality plastic and elastic material, durable and wear-resistant, it is comfortable to use even when you sweat.
eBay
Mini Sucker Car Driving Recorder Mount DVR Bracket Screw Connector Rack DV GPS Camera Stand Holder 3kg for GoPro
Aliexpress UK
Compatibility: GoPro, DJI, Insta360, SJCAM, EKEN. Product Type: Chest Strap Mount Harness. ✔ Stable & Secure Mount. Features: Hands-Free, Stable Mount, Lightweight, Adjustable. Ensure the mount is securely fastened before use.
eBay
TELESIN 360° Rotation Magnetic Backpack Clip Clamp Mount for GoPro Hero 13 12 11 10 9 8 7 Insta360 DJI Action Camera Accessories
Aliexpress UK
It is made of washable hydrophilic material. You can safely let your dog swim and play without worrying about getting it dirty. The soft padded structure makes your dog very comfortable to wear. For smaller dogs, the chest strap can be removed.
eBay
TUYU Motorcycle Handlebar Mount for GoPro Hero 13 12 11 DJI Action 5Pro 4 Insta360 X4 X3 Invisible Selfie Stick Camera Accessory
Aliexpress UK