ThunderLeash is a patented*, safe, no-pull leash solution. With consistent, safe, gentle feedback, our leash encourages your dog to stop pulling. A 2 in 1 option. ThunderLeash can be used as both a harness and a leash, so you can take less with you. Adjustable and works with most standard dog collars. ThunderLeash goes on in seconds, with no complicated straps or irritating head collars. Just clip the leash to your collar, wrap it around the torso, and go. Includes a soft touch padded handle for comfort and reflective logos for nighttime safety.