This bit is extremely good if you need help getting your horse’s legs underneath him and his rear end down. The short gag action collects a horse well. Three-piece mouth adds a little bite to this low leverage bit for more control. The sweet iron mouthpiece is ideal for any horse. It will rust into a light patina to promote salivation and relaxation. Moving from Direct Reining to Neck Reining? The stage b is all about transition, with the introduction of leverage and curb pressure.