Horsefly trap.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...p_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net/horsefly_trap.jpg
Previously:
https://www.homemadetools.net/forum/...255#post150171
https://www.homemadetools.net/forum/...850#post119351
https://www.homemadetools.net/forum/...157#post165232
https://www.homemadetools.net/forum/...909#post160183
https://www.homemadetools.net/forum/...019#post160578
