Witness the transformation of an old, rusty hand-cranked grinder into a fully functional piece of machinery. After finding this vintage item at a junk store, it was carefully disassembled ...

Find out more about how we test, analyze, and rate. Sometimes I really loathe testing hand crank coffee grinders. Not because I loathe hand crank coffee grinders — actually, quite the opposite.

That doesn’t just mean your traditional high-RPM electric grinders that operate at the same volume as a motorcycle. It also means hand-crank coffee grinders, because sometimes going back to ...