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

https://rock-paper-scissors-z-y-t-w5-734.pinehavenscope.com/posts/this-week-s-top-stories-about-rock-paper-scissors-gambling

Some gamers utilize Rock Paper Scissors to check timing and psychology-- do you go first, mirror moves, or all of a sudden switch methods to confuse them?