With a 5-inch mouth for a perfect fit the Kelly Silver Star Wonder Bit Sweet Iron Mouth is the perfect training tool. This fine training bit has a sweet iron mouth-piece which provides a sweet taste as it ages that your horse will love. It is also jointed to give a more natural fit. About JT International For over 35 years JT International has been providing riders with quality equestrian equipment designed to maximize the riding experience. With over 1 100 different types of products available they offer new and time-honored favorites to riders all over the world. From tack to training supplies JT International has each rider and their mount covered.