Dog Collar Backup Prong Collar Backup Harness Backup Safety - Etsy UK
TTouch Connector – Xtra Dog Training
Dog Collar Clips, 2 Pcs Dog Collar Connector, Double Ended Clip Strap Dog Collar with Reflective Nylon, Adjustable Collar Backup Clasp Leash Connector for Dog Harness to Collar Safety Clip : Amazon.co.uk: