Our custom martingale collars come in two straps of webbing of your choice. One strap utilizes two Metal Slides sewn
onto both ends with another Metal Slide for adjustment. The other strap utilizes both ends sewn together while being fed through the first two Metal Slides, with a free D Ring. The Metal Slide makes it adjustable and the Metal D Ring is used as an anchor spot to attach the leash. Adjustable martingale dog collars are a kind of restricted choke collar. Good for training your pet.