... Payment:T/T Rubber Horse Martingale Stopper Rubber Horse Martingale Stopper (S50073)Description:1) Used on a martingale to hold the two pieces ... ) Handy rubber stoppers to keep the neck strap on you martingale from sliding up.4) They provide the optimal fixation of ... the martingale forkChoose color: Red, Green, Blue, Brown, and Black Spec.: 45mm ...