Hodu-gwaja walnut cake machine.
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More: https://en.wikipedia.org/wiki/Hodu-gwaja
Previously:
https://www.homemadetools.net/forum/...007#post100484
https://www.homemadetools.net/forum/...478#post110676
https://www.homemadetools.net/forum/...366#post104084
https://www.homemadetools.net/forum/...9599#post89651
https://www.homemadetools.net/forum/...5598#post82172