Strange or extreme money management - Say someone is betting $100 for three or four hands, then from out of nowhere, bets $10,000. We suspect that they’re switching cards, so that’ll get our attention.” “They sit close together and have their arms folded after they’re handed their cards. “They’re trying to make one strong hand - which, believe me, happens,” he says. “Women will, most guys will not.” Derk says when you do see that, it’s a potential sign that the pair may be secretly switching cards.
“Most guys just don’t sit like that,” he says.
Two guys sitting close together - Derk says two guys playing blackjack at the same table rarely sit close together, especially when there are empty seats.