Tuning, assembling, and testing harmonicas.
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Previously:
https://www.homemadetools.net/forum/...590#post151610
https://www.homemadetools.net/forum/...480#post177744
https://www.homemadetools.net/forum/...353#post173256
https://www.homemadetools.net/forum/...866#post148544
https://www.homemadetools.net/forum/...071#post153458
