Modern Flap Card (Jack to Queen to King) by Hondo Coins You start by explaining how

You start by explaining how every deck of cards has a playing card printed on the box

but many don't

Impossible effects

Hypnotism and hypnotic suggestion (1900)

Modern Flap Card (Jack to Queen to King) by Hondo Coins You start by explaining howThe Flap Card was first introduced in 1922, in Professor R. Kunard's Book of Card Tricks. In the decades since, it has become a staple in the routines of magicians worldwide, used to produce all sorts of stunning effects. However, limitations of the original 1922 design constrain these performances: magicians must precisely position their audience, keep constant pressure on the card surface, and perform tricks almost immediately after setup for best