A glide (20) includes a base (22), a front member, and a number of walls (26) extending front-to-back. Both the base and the front member are advantageously formed as a number of pieces secured side-by-side to provide expandability. The front member may be secured to the walls via dovetail interaction...http://www.google.ca/patents/US7083054?utm_source=gb-gplus-sharePatent US7083054 - Retail display unit