Thermochromic toilet seat cover.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...t_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...int_toilet.jpg
Previously:
https://www.homemadetools.net/forum/...149#post191687
https://www.homemadetools.net/forum/...272#post188459
https://www.homemadetools.net/forum/...273#post161492
https://www.homemadetools.net/forum/...066#post153423
https://www.homemadetools.net/forum/...373#post127046
