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

https://rps-gambling-r-j-n-h9-865.slatecurrent.com/posts/this-week-s-top-stories-about-rock-paper-scissors

Some gamers use Rock Paper Scissors to check timing and psychology-- do you go first, mirror relocations, or unexpectedly switch strategies to confuse them?