Halti Headcollar Black. Help train your dog to stop pulling on the lead with the world-famous Halti Headcollar. As the worlds first no pull dog head collar the Halti Headcollar is a favourite amongst pet parents and trainers alike. The patented design continues to lead the market for innovation and dog comfort. The lightweight Halti Headcollar is designed for dog comfort and safety with a fully padded nose band waterproof reflective webbing and a safety link that attaches to your dogs collar. The Halti Headcollar prevents pulling on the lead by gently steering and guiding your dogs direction. The responsive design of this dog head collar helps to train your pet to walk without pulling.