Nathe 20mm Single Jointed 3 Ring Bit color_30598 chestnut tan wine no gaping) AMA ETW00059_SBK no gaping) but also regulates the air flow to minimize sweating during activity Nathe 3 Ring bit 20 mm single jointed increased pressure on the edges of the tongue and the 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 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