Home / Horse Tack / Rollers, Surcingles and Training Aids / Thiedeman reins (complete set) Thiedeman reins (complete set) €37.00 €30.58 (ex. VAT) Theidemann rein and martingale set in leather. Full size. Colour: Black Brown London Add to your Wish List Information Thiedemann rein set in leather with martingale. The Thiedemann rein system works automatically if the horse rises too high or too long and the Tiedeman rein is easy to use as it does not come into effect so long as the horse's posture is correct. Specifications Product Code: 2109356 Weight: 1.5kg