How does the washer game work?

Sure, here's a description in the tone of a questioner, with a word count of no more than 300: "Hey there, I've been hearing a lot about this thing called the 'washer game' lately, and I'm really curious about how it works. Can you explain it to me in simple terms? Is it some kind of financial scheme or investment opportunity? Do you need a lot of money to play? And what are the risks involved? I'm really interested in learning more about this, so any information you can provide would be greatly appreciated.