The JP Oval Mouth Copper Loose Ring Bit Features a Copper Mouthpiece That Encourage Salivation and Acceptance Of The Bit. It Was Designed With World-Renowned Australian Trainer, John Patterson, to Provide Maximum Comfort and top Performance. The Curved Mouthpiece Eliminates interference and Stops The Bit From Hitting The Roof Of The Mouth, Allowing Room for The tongue. The Shape Also Reduces The Severe Direct Pressure On The Bars Of The Mouth. in Hand Polished Stainless Steel.