Shoe cleaning machine. 1:13 video:
https://www.youtube.com/watch?v=BF657BWiiXo
Previously:
https://www.homemadetools.net/forum/...152#post115730
https://www.homemadetools.net/forum/...220#post145920
https://www.homemadetools.net/forum/...829#post108594
https://www.homemadetools.net/forum/...670#post147744
