The EquiKind Softie flat ring eggbutt features a soft-touch covering that's gentle on the horse’s mouth, the peanut link helps to encourage a softer contact. Eggbutt rings are ideal for horses with sensitive lips. Mouthpiece thickness: 15mm. Cheek height: 55mm (4.5"), 75mm (5", 5.5"). Stainless steel with EquiKind Softie coating, offers a soft-touch lightweight mouthpiece that warms quickly to the horse's mouth. The supple mouthpiece is kinder, ideal for young horses or those who reject metal.