Methods of cheating by players Hand mucking: Palming desirable cards, then switching them for less desirable cards that the gambler holds. Using a "holdout" device to remove a card from the game until needed at a later time. Card marking: Various methods exist to mark cards during play.

No, slot machines are not rigged. They use Random Number Generator (RNG) technology to ensure each spin is entirely random and independent of previous outcomes. The casino's advantage comes from the built-in "house edge," which is a mathematical advantage that guarantees a profit over the long run.