Trademark Poker Phil Laak The Unabomber Poker Card Cover (Multi) Poker card covers are fast becoming the next hot collectible, since playing poker, namely Texas Hold'Em Poker, is the fastest growing past time in America today. And poker professionals love them! Card covers protect your hand from accidental exposure, fouling or folding. Some people use coins, some use a unique object. And they are used by the players themselves in major tournaments across the country! Watch for them on TV.