Bombers Bits Gag Sara GrillsSize 135 5. 3" The Loose Ring allow for immediate release and relief from tongue and bar pressure. The bit is immediately reset to a neutral position in the horses mouth. Sara Grills link is 40mm and is designed to sit vertically on the horses tongue and suitable for a horse that uses its tongue as a means of pushing against the bit to take control. The Sara Grills will cause the horse to draw its head back and tuck its chin in. Providing very little