This wheel has only 37 slots. There is no 00. After you place your bets, the dealer spins a small white ball in the opposite direction of the turning wheel. When the ball comes to rest in one of the slots, the dealer will call out the winning number and settle all bets. You can place as many bets as you like on a single spin of the wheel up to the table maximum.
Some casinos use a rule called en prison .
When a zero or double zero hits, the player loses half the bet, or can let the bet remain in play, with the results to be determined on the next spin. This rule only applies to even money bets. Odds With the 38-number American wheel, the house has a big 5.26 percent edge. With the 37-number European wheel, the house advantage is 2.7 percent. With the en prison rule, this edge drops to just 1.35 percent.