In this picture, you can see the rolling library ladder, which allows for easy access of wines at the topmost section of the racking. It it attached to a railing that allows it move from one wall to another. Learn more about us at http://www.vintagecellars.com/about.asp . Vintage Cellars 904 Rancheros Dr. Suite G San Marcos, California 92069 +1 (760) 735-9946 connect with us on Facebook: http://www.facebook.com/VintageCellarsWineStorage