The Halti Head collar by Company of Animals has been designed to control your dog effectively making walks more enjoyable for you both. The Halti Head Collar was designed by Dr Roger Mugford its revolutionary design is based on the same principle as a horses head collar - if you guide the head the body will follow. By using this head collar walking becomes a pleasure for both you and your dog - no more choking and no more sore arms while you struggle to stay in control. The collar allows freedom for your dog to pant and yawn and has an on-off action to close biters the product has been approved by vets and canine experts. It has also proven to calm boisterous behaviour and simplifies training. Over 4 million collars have been sold worldwide and are available in six sizes and four different colours - black brown red brown and blue plus padded for soft nose breeds (black only).