Born in the USA: Mighty Paw is family-owned and operated out of Rochester, NY. Dog Trainer Approved: Endorsed by thousands of dog trainers our martingale collar is superior than the competition for its durability, effectiveness, and stainless-steel chain. The Last Collar You'll Ever Need: Made with 100% genuine leather the collar features a stainless-steel chain for improved durability, making it far superior to collars made with metal hardware. Safe for your dog: Our collar provides gentle and controlled correction for your dog. The limited cinch collar tightens but doesn’t choke allowing your dog to learn without discomfort. No More Leash Pulling: Recommended by dog trainers across the country. The collar provides cues and feedback to reduce pulling and enhance dog training.