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
Frame Metal With Cold Shoe Mount For Dji Action 3 GoPro Hero 11 10 9 8 7 Camera Accessories Mounts for Lighting Mic Stick Attach
Aliexpress UK
Included: 1x Junior Chesty (Chest Harness) 1x Vertical Quick Release Buckle 1x Thumb Screw. Smaller, fully-adjustable version of our adult-sized Chest Mount Harness. Captures more of your body and gear in the shot.
eBay
Motorcycle Helmet Chin Mount for GoPro/SJCAM - Universal Adjustable Action Camera Mount Bracket for Motorcycle Outdoor Sport
Aliexpress UK
Compatible with models: Apeman A60 A66 A70 A80, A76 A77 A86 A87 A90. 1 x Adjustable Chest Harness Mount. - Adjustable strap easily fits all sizes.
eBay
VRIG AC24 Sports Camera Cold Shoe Mount Adapter 180° Adjustable with 1/4 Inch Screw Hole Tripod Mount for GoPro Hero 12/11/10/9
Aliexpress UK
Features: -Comfortable, fully adjustable design fits all sizes. -Made of high-quality elastic nylon and ABS buckle, strong and durable. -Be hands-free, capture the footage without holding the camera in your hands -Easily removable, simply loosen the thumb screws to adjust the angle or swivel up or down 90 Degrees to quickly view or edit your footage. -Perfect for skiing, cycling, canoe and more other sports activities use. Specification: Colour: black Material: nylon+ABS Suitable for device size：4-7 inches Package Included: 1x Chest mount strap 1x J hook 1x Adapter 1x Screw 1x Phone holder .
eBay
Motorcycle Handlebar Clamp Ram Mount Base with 1 Inch Ball Mount for Gopro Garmin Action Camera Bicycle Rail Clip Support
Aliexpress UK
This chest harness is the perfect accessory for any GoPro enthusiast. Designed with high-quality neoprene material, it provides a comfortable and secure fit for your camera. The harness is compatible with the GoPro Hero 2, 3 and 4 models, ensuring that you can capture stunning footage in any setting. The Xtreme chest harness is perfect for those who love to explore and capture life's adventures. Whether you're skiing down a mountain or surfing the waves, this harness will keep your camera firmly in place and ready to capture the action. So, whether you're a professional filmmaker or an amateur adventurer, this harness is the perfect addition to your GoPro setup.
eBay
Helmet Adhesive Sticky Mounts Flat Curved 3M Mount For GoPro Hero 13 12 11 10 9 Yi SJCAM AKASO DJI Action 5 4 Camera Accessories
Aliexpress UK
2 X Genuine GoPro High Mounting Buckle For Helmet/Chesty/chests/ALL Hero Camera *Bulk pack.Come without retail package* **Dispatched with Royal Mail Tracked 48**
eBay
aMagisn Magnetic Quick Release Mount for Go Pro Hero13,with 2-prong Mount,Plastic Adapter for Gopro Hero 13 Black Accessories
Aliexpress UK
GoPro HERO 12. GoPro HERO 11. GoPro HERO 10. GoPro HERO 9. GoPro HERO 8. GoPro HERO 7. GoPro HERO 6. GoPro HERO 5.
eBay
SmallRig Double-Layer Suction Cup Mount for Smartphone/Action Camera, Car Mount with Phone Holder for iPhone for GoPro for DJI
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. We strive to earn 100% perfect "Five-Star" scores from you.
eBay
Lanyard Strap Neck Hold Mount for GoPro Hero 13 12 11 10 9 Insta360 DJI Osmo Action 5 Pro Camera Smartphone Mounts Video Bracket
Aliexpress UK