An apparatus for training a dog to heel includes an elongated body adapted to be vertically positioned against an outside portion of a leg of a dog trainer. The body has a top end and a bottom end. The top end is adapted for positioning against the leg in the vicinity of the upper thigh of the dog trainer. The bottom end is adapted for positioning against the leg in the vicinity of a lower calf of the dog trainer. Straps are provided at intervals along the body. The straps are adapted for strapping the body to the leg of the dog trainer. More than one training strap coupling is positioned at spaced vertical intervals along the body. The dog trainer connects a short training strap extending to a collar of a dog being trained at a selected training strap coupling at a height of the collar of the dog.