Some gamers utilize Rock Paper Scissors to test timing and psychology-- do you go first, mirror moves

https://rock-paper-scissors-gambling-d-y-h-v1-651.unionquill.com/posts/14-cartoons-about-rock-paper-scissors-casino-that-ll-brighten-your-day

Some players use Rock Paper Scissors to evaluate timing and psychology-- do you go initially, mirror moves, or suddenly switch strategies to confuse them?