We were watching The Princess Bride in a class I teach, and I was busy creating an assignment related to the film. I decided to have the students research polydactyls or polydactylism or polydactyly -- having more than ten fingers or toes. High school kids love that kind of stuff, but they also love the trivia associated with learning about the six-fingered folks, like who else has eleven (or even twelve) digits? 

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