Some gamers utilize Rock Paper Scissors to check timing and psychology-- do you go initially, mirror relocations

https://rock-paper-scissors-p-w-d-w5-092.quillnesty.com/posts/10-life-lessons-we-can-learn-from-rock-paper-scissors-gambling-game

Some gamers use Rock Paper Scissors to check timing and psychology-- do you go first, mirror moves, or all of a sudden switch techniques to confuse them?