Sprenger 16mm Pelham Single Jointed Short Shank Horse Bit color_57016 black Lugged Rubber Outsole for Durable color_69044 black Lugged Rubber Outsole for Durable All Terrain Traction as well as open classes and other equestrian disciplines Pelham 16 mm single jointed short shank Stainless steel mouth pieceoffers more control with strong and powerful horsesenables precise and effective rein aids due to acting on tongue poll and lower jawcurb chain should come into play at a maximum angle of 45° to limit the poll pressurethe leverage effect on the poll can be varied by different rein optionsoften used in combination with bit converters or with 2 reinsuse of a curb chain guard is recommended to protect the sensitive lower jaw bone