Using the dealer's signature\n\n One way of predicting where the ball might land in a game of roulette is to look for the dealer's signature, also known as sector slicing. This theory suggests that the dealer may hit the same numbers more often due to the way in which they spin the wheel.
roulette, (from French: small wheel ), gambling game in which players bet on which red or black numbered compartment of a revolving wheel a small ball (spun in the opposite direction) will come to rest within. Bets are placed on a table marked to correspond with the compartments of the wheel.