WOOX bag rider, is an easy-to-install accessory that helps shooters who use a rear bag fine-tune their point of aim for long-range marksmanship. The WOOX Bag Rider allows you to adapt your buttstock to different shooting styles. This product installs in minutes and is a must-have when using a rear bag. The bag rider's custom shape allows for smooth, consistent bag riding for bench rest shooting or zeroing in at the range