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

https://rock-paper-scissors-k-n-m-e1-725.inkharbory.com/posts/the-ultimate-glossary-of-terms-about-rps-gambling

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