Stainless steel base - ensuring the longevity EquiKind+ coating - to create a thinner mouth piece then rubber bits and a more warming mouth piece, making it a favourite for sensitive mouthed horses who dislike the chill from metal bitsEquiKind+ coating - makes it perfect for horses who do not have a lot of room for a thicker mouthpieceLoose Ring cheek pieces - offers more movement in the horses mouth which helps to discourage horses that tend to lean on the bit