Some players use Rock Paper Scissors to evaluate timing and psychology-- do you go first, mirror relocations

https://rock-paper-scissors-gambling-r-t-o-n6-406.trexgame.net/why-all-the-fuss-over-rock-paper-scissors

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