Professional's ChoiceEasy Stop Training BridleTeaches Horse a Collected StopSolid PlateLariat Rope5/8in Hermann Oak Harness Leather HeadstallStainless Steel Buckle8042 This Professional's Choice Training Bridle is a great training aid to teach the horse a collected stop. The solid plate and lariat rope apply pressure to the horse's chin and nose. 5/8in Hermann Oak harness leather double adjust headstall. Stainless steel buckle.