Jump'in Leather Large Loose Ring BitWe love this bit because the leather mouthpiece is super soft and molds to the shape of your horse's mouth. A great option for sensitive for finnicky horses. Features 90 mm rings and a 21 mm thick mouthpiece made of a nylon lined leather. Leather Jump' In bits are very soft and comfortable for horses. Unlike stainless steel, sweet iron or other alloys, leather prevents from too harsh a contact. Loose Ring Bit 90 mm rings 21 mm thick mouthpiece