Korsteel Cambridge Mouth PelhamThe Korsteel Cambridge Mouth Pelham is a pelham bit featuring a port that creates more space for the horse's tongue. Available in sizes 5" and 5. 5", it can be used with double reins or pelham roundings, offering flexibility in how it is ridden. Port creates more space for the horse's tongue Can be used with double reins or pelham roundings Colour: One Colour Sizes available: 5", 5. 5" Browse the full range of horse bits at Just Horse Riders.