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

https://rock-paper-scissors-gambling-game-p-o-r-z4-259.keystonescope.com/posts/everything-you-need-to-learn-about-rock-paper-scissors-gambling

Some players use Rock Paper Scissors to evaluate timing and psychology-- do you go first, mirror moves, or suddenly switch techniques to puzzle them?