WTP Bits have a unique mouth piece which reduces pressure on the horses tongue by up to 85%. This can eliminate problems caused by bit pain. WTP bits come in two variations, normal plate which is for most uses and extended plate which is the only bit in the world to stop displacement of the soft palate. The extended plate can also be of benefit to horses that suffer from breathing problems. At Old Mill Saddlery we offer a 14 day trial on WTP bits. Full terms and conditions can be found on the product pages on our website.