When used correctly, the broken Segunda mouthpiece may encourage lightness and softness in response to rein action. With its sharper edges on the double-jointed ported center link, the TRUST Full Cheek Blue SI Broken Segunda can deliver moderate to severe tongue pressure when the reins are engaged. This bit should be used by seasoned riders with a light contact. Loose ring cheeks encourage relaxation for horses who may feel ‘trapped’ in a fixed cheek bit. The blue Sweet Iron (SI) encourages salivation and bit acceptance by creating a “sweet” taste for your horse.