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

https://rock-paper-scissors-t-n-z-c6-894.huicopper.com/you-ve-forgotten-rock-paper-scissors-10-reasons-why-you-don-t-have-it

Some players use Rock Paper Scissors to evaluate timing and psychology-- do you go first, mirror moves, or all of a sudden switch methods to puzzle them?