Witness Lines: A New Name for an Old Problem

A woodworker asked me recently, “What the heck is a witness line?” Well, this opens up an interesting discussion. One of my pet peeves since I began teaching finishing, has been people creating new terminology when quite adequate terminology already exists. There’s no better example than “witness lines,” which is a new term for “ghosting” or “layering” that appears when you sand or rub through one layer of finish into […]

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