Shoe (cards) must be dealt from a shoe (Scarne's invention). While no such ruling was ever passed, most Nevada casinos now deal from a multi-deck shoe. As gaming advisor to the Havana Hilton, Scarne also introduced the shoe to Puerto Rico and Cuba. The device is so named because the earliest versions of it resembled a woman's high-heel shoe, and were often painted red or black in color. Dealing shoes come in many colors and sizes, depending on the number of decks they are capable of holding (2, 4, 6, or 8 decks). When the cards are placed in the shoe, the
Casino hold 'em the United Kingdom in 2007. In 2017 Golden Nugget's Live-Dealer Online-Casino (Atlantic-City/New-Jersey) launched the game, making it the first Live-Dealer Online-Poker, play in USA. There is no easy way to quantify optimal strategy for this game since the optimal decision for each hand is based on the combination of all 7 cards (two personal cards and five board cards) dealt. As such while computer programs can easily deal with the calculations required to make the correct play in any particular hand, it is difficult to make a set of general rules which can be memorized such as exists for Blackjack.