Nature 9 (NAT9) side betting is a bet where the player's hand or banker's hand will become a natural bet. NAT9 is actually two different side bets, because the bet can make the dealer's hand be natural 9 and the player's hand will be born. 9. Similarly, the Natural 8 (NAT8) side bet is that the player's hand or the dealer's hand will be a natural 8 bet. Both NAT9 and NAT8 are as old as the hills; about 50 years ago, Edward Thorpe analyzed them. Take advantage of the advantages (see this article) and make sure they can all be defeated. In the early 1960s, Thorpe launched a new line of attack in the industry's panic about the new blackjack counter. Still, NAT9 and NAT8 are still looking for ways to enter the global casino.