Effol Mouth Butter AppleFor a horse's mouth which is soft as butter with fresh taste of apple stimulates the chewing activity makes the horse more content and increases the riding quality helps the bit to slide more easily into a comfortable position in the horse's mouth For a horse's mouth which is soft as butter. Effol Mouth Butter makes your horse feel good. It helps the bit to slide more easily into a comfortable position in the horse's mouth. This makes the horse more