This instance is from Wikipedia and could be reused less than a CC BY-SA license. They are often sculpted into various designs for the duration of this method, in some cases resulting in deep thumb-print like indentations on their surfaces identified as regmaglypts. From Wikipedia Clever Vocabulary: similar text and https://sculpted-md-lakewood70401.glifeblog.com/35248189/the-fact-about-sculpted-md-lakewood-that-no-one-is-suggesting