Magic Cards
Performing tricks with magic
cards has been around since the advent of the playing card. The
first sleight of hand card tricks were probably performed by gamblers
attempting to cheat. Their method was often a valuable card up the sleeve
of their shirt that was cleverly switched with a lesser card in their
hand. Exposing the trick often had disastrous effects, from losing fingers
to losing their life.
Most magic cards are now used purely for entertainment, but some of
the same techniques those gamblers pioneered, such as a card (or many
cards) up the sleeve, are still used by magicians today. Card tricks
are some of the first tricks that new magicians learn and many are based
off of mathematical formulas to find the correct card. Cards are also
cheap and widely available, as well as common to the audience, which
makes them great props.
To extend the life of magic cards, and keep the friction between cards
uniform, a special powder can be applied called fanning powder. This
allows for consistent manipulation of the cards and prevents them from
sticking together. Air-cushioned cards are almost always used because
they slide across surfaces much smoother than regular cards. They have
tiny dimples like a golf ball that hold pockets of air allowing them
to slide on top of other cards easily.