Sprenger 16mm D Ring Snaffle Double Jointed Fixed Horse Bit Size:145mm Single jointed hollow stainless steel mouthpiece AMA ETW00173N_SWH MB Single jointed hollow stainless steel mouthpiece Also for riders D Ring souble jointed snaffle 16 mm thickness with a Stainless steel mouth piecelies steady in the horse's mouth gentle on the corners of the mouthallows direct pressure transmission on the tongue and lower jaw due to the fixed mouthpiecethe lateral contact helps horses that tend to fall out whilst riding or approaching an obstacleD Rings prevent the bit from being pulled through the horse_x0018_ s mouth so it lies more steadily on the tongue giving a more comfortable feeling Gentle pressure is pivoted directly onto the tongue ensuring light and precise rein aids