Homemade wet grinder. By Kevin Crawford. 17:10 video:
https://www.youtube.com/watch?v=UCelrmpgTN0
24:16 video:
https://www.youtube.com/watch?v=iYTCk1a-h5A
Previously:
https://www.homemadetools.net/forum/...833#post129268
https://www.homemadetools.net/forum/...0948#post73437