Herm Sprenger Single Joint Rubber Pelham BitSingle jointed; made of soft but durable rubber Enables precise and effective rein aids due to acting on the tongue, poll, and lower jaw The leverage effect on the poll can be varied by different rein positions Often used in combination with bit converters or two reins Curb chain should come into play at a maximum angle of 45 degrees to limit the poll pressure Specifications: Thickness (18mm) Cheek Piece Length (7cm)