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Cheap, disposable sponges. Unlike paper, they can be tested on while wet, which is a big advantage when sharpening with waterstones. Don't use the scrubby side (some people like using it as a debur...
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Cheap, disposable sponges. Unlike paper, they can be tested on while wet, which is a big advantage when sharpening with waterstones. Don't use the scrubby side (some people like using it as a debur...