Shires Tom Thumb Rubber Jointed Pelham BitWe love the Shires Tom Thumb Rubber Jointed Pelham Bit because the rubber covered mouthpiece is thicker and softer on the horse's mouth. The rubber covered mouthpiece on this jointed Pelham makes it thicker and softer on the horse's mouth. Has a shorter and more mild shank. Can be Used with Two Reins or Bit Converters Rubber Covered Mouthpiece Jointed Pelham Shorter & Mild Shank Sizes: 4 1 2" 5" 5 1 2" 6" **Due to the contagious nature of the equine