After a deck of
playing cards is
shuffled, it is often given to a player other than the one who performed the shuffle for a procedure called a
cut. To cut the deck, the player removes as a unit roughly half of the cards from the top of the deck, placing that portion on the table next to the remaining cards, toward the dealer (by convention). Either he or the dealer then picks up the bottom portion of the deck, places it upon the former top portion, then squares the deck.
Need a video clip here!...