Homemade watchmaker's lathe belt. By Jd Richard. 9:39 video:
https://www.youtube.com/watch?v=BVO2fe_PiYY
Previously:
https://www.homemadetools.net/forum/...434#post142687
https://www.homemadetools.net/forum/...061#post141008
https://www.homemadetools.net/forum/...971#post140769
https://www.homemadetools.net/forum/...929#post133702
https://www.homemadetools.net/forum/...321#post103950