because one two pictures is are worth at least a two thousand words.

(click on each image to see full-size)

from Wikipedia:

Polydactyly, or polydactylism, also known as hyperdactyly,
is the anatomical abnormality of having more than the usual number
of digits on the hands and/or feet…

Historically and in the contemporary world, polydactylyism has been
associated with witchcraft, psychic power, the extraterrestrial,
divine connection, and sporting prowess.

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