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Richard Turner, self-styled card mechanic, can count and manipulate cards with unbelievable precision by feel alone.

https://www.youtube.com/watch?v=TwFIJyWKs1k

He also happens to be blind.

I'm not sure "self-styled" is quite right here, he is a card mechanic, that's the term for someone who cheats at card games by manipulating cards, and he demonstrates exactly those techniques.

Ah, thanks. I didn't know that was a common term.

To illustrate just how common it is, the first deck hold most card magicians learn is called the "Mechanic's Grip" [0]

[0] https://en.wikipedia.org/wiki/Mechanic%27s_grip

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