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
Expand Strap Mount for Gopro /insta360/osmo Action Camera for DJI Mini 3 3pro/ Mini 4pro /mini 2 2SE /mini SE Drone Accessories
Aliexpress UK
Compatible With Activeon CX, Activeon CX Gold Plus, Activeon Solar XG. 1 x Adjustable Chest Harness Mount. - Adjustable strap easily fits all sizes.
eBay
Terebento Shoulder Strap 360° Rotate Buckle Quick Release Mount for GoPro Hero13/12/11/10/9 Dji Action 2 Action Camera Accessory
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
Universal 360 Degree Rotating 1/4 Camera DV Bike Bicycle Handlebar Clamp Bracket Tripod Mount Screw Clip For Sport Camera GoPro
Aliexpress UK
Compatible with GoPro HD Hero and SJCAM. (7 - 54 kg). Chest mount is removable to accommodate smaller pets. 1 x Pet Harness Mount. 1 x J Hook Buckle. 1 x Base Buckle. Unique design, makes your pet to be attractive and looks fashionable.
eBay
Camera Clip Clamp Flash Holder Mount with 360 Swivel Photography Ball-Head 1/4" Threaded Screw for gopro dji action Camera
Aliexpress UK
Compatible with GoPro style mounts. GoPro style mount with screw. Ideal for POV / chest-style filming. Magnetic neck strap mount. Strong magnetic quick-release mount. Magnetic backing plate.
eBay
Aluminum Alloy Motorcycle Camera Mount Kit for GoPro Insta360 DJI, Heavy-Duty Anti-Theft Clamp Extendable Selfie Stick for Bike
Aliexpress UK
The 39x Action Camera Bundle Chest Strap Head Mount Accessories Kit is a comprehensive collection of high-quality accessories designed specifically for GoPro Hero cameras. This kit includes a range of items such as a chest strap, head mount, and other essential accessories, all in a sleek black colour. The bundle is perfect for action camera enthusiasts looking to capture their adventures with ease and convenience, ensuring they have everything they need for their next outdoor excursion.
eBay
For Gopro Tripod Mount Adapter 1/4 Thread Adapter CNC Aluminium Alloy for Go Pro Hero 9 8 7 6 5 4 3+ Action Camera Accessories
Aliexpress UK
Multi-Purpose & Safety: Suitable for mountain biking, skiing, snowboarding, motocross, paddle sports, wake boarding, and other action sports. Stable Structure: There are two non-slip rubber pads at the bottom and top of the phone holder.
eBay
Panoramic Selfie Stick for insta360 X5 X4 Monopod Handlebar Mount Bracket for GoPro Hero DJI Osmo 360 Action Camera Accessories
Aliexpress UK
Adjustable and Soft Design: This dog harness mount is made of high-quality ABS material, durability and comfort for your furry friend. The sleek black color adds a stylish touch while allowing the harness to blend seamlessly with your pet's accessories.
eBay
K&F CONCEPT Motorcycle Windshield Clip Mount for GoPro Hero 13/12/11/10/9 Black, Aluminum Alloy Camera Clamp with 1/4" Adapter
Aliexpress UK