Double-Jointed Disc 3-Ring Gag Bit – Sweet Iron - 135mm The Double-Jointed Disc 3-Ring Gag Bit is designed to offer maximum tongue comfort and effective leverage, combining a pressure-distributing rotating disc centerpiece with the controlled lift of a 3-ring gag. The central Brass Rings on the tongue, encouraging salivation and eliminating the nutcracker effect often caused by traditional jointed bits. Paired with the 3-ring cheekpieces, it introduces controlled poll pressure and mouthpiece lift, making it perfect for riders needing fine-tuned responsiveness without excess severity. Sweet Iron Composition: The blue sweet iron oxidizes with use, promotes natural salivation, helping to keep the horse's mouth soft and responsive.