AK Loose Ring Double Jointed Lozenge with Cooper Roller Bit. Double joint makes horse comfortable and create space for the tongue and relieves it from the constant pressure. Thin bars with technical bend in mouthpiece makes easy for the horse to understand. Easy to control the horse without any stress. High performance coating on stainless steel metal combined with cooper roller enhance the features which gives lovely taste to horse and the horses love to play with cooper roller. Best for use if horse pulls or lean on the bit or making fast head movement or trying to escape from the connection of the reins. These are comfortable for many horses as they reduce the nutcracker effect. Available in Sizes: 4.75”, 5.0”, 5.25”, 5.5”, 5.75” inches. Material: Made with High Quality Stainless steel with cooper roller. Mouthpiece thickness: 14mm Ring Size: 65mm