stockholm hard bip martingale attachment black silver fThe TRUST Stockholm is a removable closed martingale fork. The closed design prevents the horse from biting into the fork. The leather on the inside of the fork is especially durable. The TRUST Stockholm is designed to fit TRUST breastplates. The leather strap features a roller buckle for easy attachment to the breastplate. The fork also includes a special clip buckle for quick attachment to the reins.