why does water increase friction when sharpening a blade but decreases friction on electric trimmer?
In: 4
water reduces friction in both cases. People recommend using liquid when sharpening to reduce friction in non-edge parts (which actually protects the stone), and trap the shavings.
https://www.simplyrecipes.com/how-to-sharpen-a-knife-with-a-whetstone-5207586
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