Nathe Standard Snaffle 20mm With Flexible Mullen Mouth 55mm Ring Car Accessories no direct pressure is applied Size:Box of 40 no direct pressure is applied to the tongue and bars The structure is enhanced with gel inserts with hexagonal holes that promote optimal ventilation: air circulates constantly Overview of the advantages" made of high quality thermoplastic" 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 Standard snaffle 20 mm mouth and tongue friendly with low port suitable for young or sensitive horses steady and even pressure on the tongue higher pressure on tongue edges from rein aids with steel core