Shires EquiKind+ Tom Thumb Jointed Bit The EquiKind+ Tom Thumb Jointed Bit is ideal for experienced riders that require a little more control and to encourage proper head carriage. The bit applies pressure on the poll and tongue and by attaching the reins to the lower ring can increase the severity of the bit. The Tom Thumb Jointed Bit offers a stainless steel base ensuring the longevity whilst featuring EquiKind+ coating to create a thinner mouth piece then rubber bits. This creates a more warming mouth piece, making it a favourite for sensitive mouthed horses who dislike the chill from metal bits. The EquiKind+ coating also makes it perfect for horses who do not have a lot of room for a thicker mouthpiece.