Described is a pet leash that helps a pet owner to train a dog to walk on a leash without pulling. The pet leash includes an elongated strap having a fixed loop at a first end for a user to hold, and having an adjustable loop at a second end. The adjustable loop can be disposed about a dog's head and around the dog's muzzle so as to assist the user in restraining or controlling the dog while out on a walk. The adjustable loop is adapted to tighten if the dog pulls too strongly on the leash. Once the dog becomes accustomed to being walked in this manner, the user may instead dispose the adjustable loop on an upper portion the dog's neck. The leash additionally includes an attachment strap extending from the adjustable loop that can be secured to a dog's collar by means of a fastener thereon.
