Innovative length-adjustable and flexible leather draw reins for riding or lunging. The W-trainRein draw reins are attached to the girth or surcingle between the forelegs. A special rein runs through a guide roller and is taken from there through the respective bit ring (from the inside to the outside) back to the girth or surcingle. The guide roller gives the reins and facilitates a gentle and mouth-friendly bending and suppling whilst riding or lunging.