Nice, and I've seen it done live to great effect, but there are better examples around. This one's similar:
https://videosift.com/magic/video/How-Magicians-Misdirect-You

... and this is one of my favourites:
https://videosift.com/magic/video/Magician-shows-how-the-trick-is-done

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I love these views of magic from a different angle, and I've seen plenty of examples in real life. As Penn and Teller know, seeing how it's done is just as entertaining as not.

My favourite example is in this respect *related=https://videosift.com/video/Magician-shows-how-the-trick-is-done

How Magicians Misdirect You has been added as a related post - related requested by noims on that post.

Magician shows how the trick is done has been added as a related post - related requested by noims.

ok, I get the frog thing (other magicians have done that). and the whole box of nails were trick nails (Jimmy didn't have a magnet or pour water in the bowl), but I don't understand how they got the entire audience to end up with the same card?
at least 1 would have not followed the instructions correctly...
could be the whole deck was activated by body heat (to change to 5 of hearts), hence the pocket or sitting on it?
Notice Jimmy put in his outer jacket pocket and didn't have it on the whole time - maybe that's why David didn't ask him to look at it at the end?

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This was an excellent treatise on visualization of large numbers.

That said, I disagree with the statement "the sequence of cards in a properly shuffled deck has never existed in the history of time". It would be true if the act of shuffling was truly random, but it's not.
This article says you'd need at least 7 riffle shuffles to get "random", but in practice "properly" shuffling is 3 or 4 riffle shuffles...
https://phys.org/news/2017-02-shuffle-cards-maths.html

Hence thus therefore, my unprovable bet is that there has been at least 1 occurrence of identical-sequence decks in the history of 52 playing card decks.

(this is not counting magicians & card mechanics like Ricky Jay)

Also---I assume this is a piece of prep for a "card mechanic"? Rather than someone who does magic tricks, it's to make sure that the deck of cards that the mechanic is manipulating is perfectly flat and square?

https://en.wikipedia.org/wiki/Richard_Turner_(magician)

Cute.

Makes me wonder how many magicians have tried to pull a hat out of a rabbit.

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