HALTI Optifit Headcollar Size Medium, Dog Head Harness to Stop Pulling on the Lead, Easy to Use, Adjustable & Reflective Head Collar for Dogs, Professional Anti-Pull Training Aid, BlackSTOPS PULLING: the Halti Optifit Headcollar prevents pulling on the lead by gently steering and guiding your dog's direction. CUSTOMISABLE FIT: the Halti Optifit Headcollar has an adjustable nose band and cheek straps, secured with a camlock, to fit most dogs that do not fit standard sized headcollars. KIND & HUMANE: made from strong but lightweight webbing, the Halti Optifit Headcollar is designed for comfort with a padded nose band and won't