Geared wedding ring. By W&M Levsha. 11:18 video:
https://www.youtube.com/watch?v=FxzJ7SDO8ZE
Previously:
https://www.homemadetools.net/forum/...777#post178908
https://www.homemadetools.net/forum/...726#post178681
https://www.homemadetools.net/forum/...281#post154174
https://www.homemadetools.net/forum/...558#post151487
https://www.homemadetools.net/forum/...474#post142841
https://www.homemadetools.net/forum/...4709#post80410
https://www.homemadetools.net/forum/...900#post137414
https://www.homemadetools.net/forum/...960#post125012
https://www.homemadetools.net/forum/...240#post116051
https://www.homemadetools.net/forum/...2930#post97555