Simplify Your Workshop: Eke out every cubic inch of storage in a basement shop with ceiling drawers that hang between the ceiling joists. When a drawer is down, you have easy access to its contents. The drawers are perfect for anything you only need occasionally. When your done, hold the drawers closed with a cleat. ###do this for xtra (non-woodworking) storage
I don't see this so much as hidden (unless the entire ceiling is this way - but really, not even then) but it is a great potential for usually wasted space. And since my bathroom will be the only space under a loft, these would go in my bathroom!