All Elastic Chambon - BlackA perfect training aid for horses that stiffen their necks and resist the rider's hands fully elastic & adjustable. These can be used when ridden or lunging. Fully elastic and fully adjustable. How to use: Start by placing the adjustable bungee stopper at the central point on the horses poll. Thread one of the bungee clips though the outer ring of the horses bit. Attach the bungee clip to one of the following options: clip on to the girth D ring. If