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

https://rock-paper-scissors-p-p-f-s5-600.huicopper.com/15-of-the-best-pinterest-boards-all-time-about-rock-paper-scissors-casino

Some players utilize Rock Paper Scissors to check timing and psychology-- do you go first, mirror moves, or suddenly switch methods to confuse them?