Nathe 18mm Double Jointed 3 Ring Bit no redirection as a single layer or CSSP as a single layer or part of layering system weather proof material and backed by scientific testing Overview of the advantages" made of high quality Thermoplast" for satisfaction and motivation on sensitive and mouth sensitive horses" excellent tolerance anti allergic" food safe solvent free no plasticisers" smooth surface no eraser effect" temperature neutral high flexibility when cold" dimensionally stable high mechanic resistance" steel core in Standard bits (except size 110 mm)" side parts made of high quality stainless steel" Made in Germany Nathe 3 Ring bit 18 mm double jointed even impact on the tongue and lower jaw suitable for horses with pronounced forward tendencies variable rein options to adjust the leverage effect on the poll greater impact on horses that evade upwards get strong and are hard to control joints made of anti allergic plastic bit guards protect the lips