Railway honey bucket.
https://s3-us-west-1.amazonaws.com/h...car_toilet.jpg
Previously:
https://www.homemadetools.net/forum/...125#post134424
https://www.homemadetools.net/forum/...478#post139224
https://www.homemadetools.net/forum/...465#post151083
https://www.homemadetools.net/forum/...373#post127046
https://www.homemadetools.net/forum/...066#post153423