Store items such as books or display decorative plates on an floating wood shelf. Add a 1/4" narrow lip to keep items from sliding off the front edge. This addition of a lip is possible with any of our custom floating shelves. To add a ¼” X ¼” lip for $40 each. The lip will be at least 1/4″ set back from the front edge: Please provide a simple dimensioned sketch showing the location on your floating shelf so we can get it right.