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Semantics is part of the problem here...

The term "surface tension" has been used around here for quite a while. It is not quite an accurate term for discussion of water on hones. A more...

I've always assumed that, given the way it behaves, but I didn't have any evidence of it.

Adding the glycerin to break water surface tension is exactly the same concept as touching your lathered brush to the water on top of a barber hone. Lathered soap accomplishes it quickly but...