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

https://rock-paper-scissors-j-z-t-f8-065.oakridgedigest.com/posts/10-meetups-about-rock-paper-scissors-you-should-attend

Some gamers utilize Rock Paper Scissors to check timing and psychology-- do you go first, mirror moves, or suddenly switch strategies to puzzle them?