Check the listing for details. Training Elastic Reins - Elastic Neck Stretcher. Condition: New. Listed at 72.26 USD. It keeps your horses upside down like a martingale but doesn't keep them tied up and has room to lift your head if needed. Absolutely perfect and easy to wear. An ideal aid for horses that stiffen the head and shoulder area, going in the opposite direction to the rider's hand. Also ideal for long line work. Fully elastic, with continuous adjustment. Keeps your horses head down like a martingale but doesn't keep it tied down and has room to lift head if needed. Absolutely perfect and simple to put on. A perfect training aid for horses that stiffen their neck and resist the rider "s hand. Especially useful for schooling young horses. Also suitable for lunging work. Fully elastic and infinitely adjustable. You will find the payment details in the email that.