This Bit Features A Medium Port And Is Good For The Seasoned Horse. The Mouthpiece Works Off Of Bar And Palate Pressure. The Mouthpiece Offers The Horse Moderate Tongue Relief. Copper Inlays In The Mouthpiece Helps To Keep The HorseS Mouth Moist. This Cheek Piece Features A Ring For The Curb Chain. 30 Day/Lifetime Limited Warranty.