Clock mainspring winder.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...k_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...nder_clock.jpg
Previously:
https://www.homemadetools.net/forum/...929#post133702
https://www.homemadetools.net/forum/...948#post124957
https://www.homemadetools.net/forum/...203#post115922
https://www.homemadetools.net/forum/...496#post107591
https://www.homemadetools.net/forum/...321#post103950
https://www.homemadetools.net/forum/...3143#post98162
