Are you pulling your transfer box that often?If this could also be designed to make the bottom of the tcase level with the ground and sturdy enough to provide a level surface so I can use a tranny jack without an adapter to install/remove the tcase, that would be worth it alone. maybe you could even incorporate some adapter features on the bottom to aid in tcase in jack usage.
And the expo thing to do is put a bottle opener on it. Come on now, keep up!
The expo thing to do would be to make it out of titanium.