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"Testing and checking" should be an integral part of honing, until you're _really_ experienced.

Get a 10x triplet jeweller's loupe, and a good light source.

If the bevel is bad, you'll be...

FWIW:

Buy some 1000-grit and 2000-grit wet-or-dry sandpaper, and a piece of glass (or flat plastic) that's roughly hone-size.

If you find that your barber hones and/or 12K Chinese hone, aren't...