Draw bits make a great training or tuning tool creating poll pressure and sliding gag action that encourages the horse to break at the poll and give to pressure. Promotes a lot of bend and lateral flexion helps the horse learn to shape their ribcage Locked Oring bits allow for a more immediate response then a traditional Oring Chain mouth bits are also softer for a more sensitive horse and they conform to the horse's mouth creating mild bar pressure Copper inlay increases salivation which relaxes the jaw muscles Mouth: 5" Our bits are made from forged high quality stainless steel and copper