The Company of Animals Halti Dog HarnessThe Company of Animals Halti Dog Harness has a unique patented front attachment system that controls the dog from his chest and shoulders for more effective control. The Halti Harness stops pulling, calms over-boisterous dogs and simplifies training and behavioral therapy. The benefit of a properly used Halti Harness is that it gives total control over the dog"s shoulders and thus sets the direction in which he can move. The specially padded design is extremely comfortable for the dog to wear and is suitable for all breeds. Pair with the Halti Training Lead (sold serparately) and link to both chest and shoulder rings for even more control.Breed references for sizing:Small: TerriersMedium: Collies and SpanielsLarge: Mastiffs, Rottweilers and Great Danes