Small Overhead Lampshade

This is a small overhead lampshade designed to fully cover the lightbulb while still leaving a good amount of clearance below -- where mine is located, there is a door beneath without enough room for a larger cover.

The lampshade consists of two pieces -- the threads which go on first and are held in place as you screw in the lightbulb, and the lampshade itself which screws onto the threads.

If you over-tighten the lampshade onto its threads, you may have difficulty removing it as the thre