With a properly fitted harness and gentle pressure on the leash (clipped to a ring on the dog’s chest), even a physically challenged handler could turn a pulling dog’s front end back toward her – and reinforce the dog for slacking the leash in this way – helping the dog learn not to pull.
Adjusting Your Martingale Collar; How to Care For Your Martingale; Martingale Safety Considerations; What is a Martingale Collar? Martingale collars are designed with two parts. A section of a flat collar and a control loop where the leash is attached to a D-ring, which tightens when pulled.
Head collar no-no’s. NEVER use a retractable leash with a head collar because you’ll be sending very mixed, confusing messages to your dog, which could result in injury. The head collar is meant to keep your dog near you while the retractable leash tells him to go as far away as the leash will extend.