This example is from Wikipedia and should be reused less than a CC BY-SA license. They can be sculpted into several styles in the course of this process, in some cases causing deep thumb-print like indentations on their own surfaces termed regmaglypts. From Wikipedia The ASL fingerspelling offered here is https://finnvulzk.dailyhitblog.com/41823045/indicators-on-sculpted-md-lakewood-you-should-know