Nathe Loose Ring Snaffle 20mm Double Jointed Sensogan Middle Link Bit Bit Size:135mm The Tongue Twister works by The Tongue Twister works by spinning round when the horse licks the treat inside this bundle allows you to effortlessly adapt to changing weather conditions Nathe Loose Ring snaffle 18 mm double jointed with SENSOGAN middle link mouth and tongue friendlythe Sensogan middle piece fosters the acceptance of the bit and stimulates the flow of salivaimproves the chewing activity of the horsedirect and precise impacteven pressure distribution on the tongue and lower jawsuitable for all disciplines and education levelsbit guards protect the lipsOverview 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