Barleywine
Probably 99% of readers do this.
Fancy-schmancy handing of the cards - hand fans, wrist-rolling, accordian-flipping the deck - all of that is ARTIFICE - 'an hour of Pomp & Show'. The important part of reading Tarot is Card Interpretation - not making the Page of Cups pop up out of the pack and squirt apple cider in the Querent's eye.
If, perchance, what you want to do is make the Page of Cups pop up out of the pack and squirt apple cider in the Querent's eye - you'll find it gets really tiring when you have to do it for 8-10 readings at a party.
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I would file all of that under "Apocrypha" along with "jumpers," "shadow cards," "qualifiers," "base cards," "quintessances" and the rest of the effluvia I came back to after a number of years away from the scene. To the post-New Age writers who foisted this stuff on an unsuspecting public: What were you thinking (besides selling books, that is)?