Shires Copper Lozenge Sweet Iron Snaffle Bit With Raised Rib Size:5.5 200 grams of fiberfill 200 grams of fiberfill The orthopedic felt is constructed from millions of individual fibers of uniform strength and interlaced together with thousands of needle strokes to create excellent shock absorption Raised copper ribs encourage salivation making this bit ideal for dry mouthed horses and also helps to encourage lightness for horses that lean on the bit The Shires Copper Lozenge Sweet Iron Snaffle Bit With Raised Rib sweet iron and copper combination provides a warmth for the horse which encourages salivation and emits a pleasant taste