Product details
https://www.vanishingincmagic.com/magic-downloads/card-magic-downloads/whack-your-pack/
Whack Your Pack
Magic download (video) by Paul Harris ($ 3.50)
Paul Harris' Whack Your Pack is probably in the repertoire of almost every professional magician. If it is not, it definitely will be after they've checked out this download!
Whack Your Pack (aka Reflex) is one of Paul Harris' best card tricks. It's pitched as a game between the participant and the magician and just when the participant thinks they've won, the magician changes the rules on them in a completely impossible way.
Running time: 1 minute, 56 seconds.
