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

https://rock-paper-scissors-gambling-game-p-o-r-z4-259.keystonescope.com/posts/what-rock-paper-scissors-gambling-experts-want-you-to-know

Some players use Rock Paper Scissors to check timing and psychology-- do you go initially, mirror relocations, or suddenly switch techniques to puzzle them?