Homemade metal tube cleaning machine. 6:01 video. By DIY terafox.
https://www.youtube.com/watch?v=gI3PRa4w3Gg
Previously:
https://www.homemadetools.net/forum/...795#post148275
https://www.homemadetools.net/forum/...764#post148158
https://www.homemadetools.net/forum/...553#post147383
https://www.homemadetools.net/forum/...935#post144699
