Vintage Laura Ashley Fabric Limited Edition Martingale Collar, House or Clip 'Mint'
CollarDirect Reflective Dog Collar Martingale Collars Side Release Buckle Chain Training Adjustable Pet Collars Black Blue Lime Green Mint Green Red Pink Purple Dark Red : Amazon.co.uk: Pet Supplies
Greyhound or Sighthound Collar? It's just a martingale collar! - 2 Hounds Design