Anyway, they had a scene where they were showing the different games that were being played in the casino. Things like a bunch of Saudi princes playing an extremely high stakes game of Candyland, etc.

One of the games was called the black hole or something like that. Anyway, people would step up to the table and the guy working the table would just sweep up their money into a hole and tell them they lost. It had a constant stream of people walking up to the table to lose money.

It's more or less the mental model that I use for gambling.