Correct bad habits and train for better habits with this Bob Avila Training Shank Professional's Choice Correction Bit. This bit has copper bars and a medium port. You can attach the reins to the mouth to get the effect of a snaffle or you can attach them to the shanks to make this a leverage bit. Professionals Choice continues to be a market leader renowned for revolutionizing the equine industry through diligent scientific research and producing the highest quality products strictly for the horse's safety and well-being. This leadership position has earned Professionals Choice the respect of top trainers, professionals and everyday horsemen all over the world.