Have you always wanted your own Secret Passage? or Hidden Door system like that bat cave? This unique patented hinge system is 100% made in the USA, It features the ability to be used for an inswing or out swing door system. It provides a 100% concealed doorway system. Simple to build and install offers a lifetime warranty. Instructions included
Now you can be like Adam West you just need to get a beethoven bust and some fire poles. But skip the robin cause it doesn't really do anything.