I've read the description of Alex Schlegel's beautiful wooden safe several times, and I still have no idea quite how it works.
The 13 drawers of this band-saw box rotate rather than open outward. Objects for safekeeping are placed into the large, central drawer through a hole in the bottom of the box. Since the arrows on the front of each drawer point toward the drawer's open side, objects may be moved from one drawer to another by first lining up the arrows on the two drawers and then rotating the entire box so that the objects fall from the first drawer to the second.
It's like a puzzle from a Myst game: let's hope it comes with a walkthrough!