Robart™ Spring Loaded Spade Mouth BitRevolutionary new bit designs eliminates pinching of cheeks and tongues, redusing tension and stress. Mouth stays closed and calm, horses are able to concentrate on learning. Internal bushing permits either half of the bit to rotate independently of the other. Each side of the horse can be worked separately as in lifting a shoulder and flexing exercises. Nice bit for showing or for schooling the broke, seasoned horse Offers tongue relief but can