Some gamers utilize Rock Paper Scissors to test timing and psychology-- do you go initially, mirror moves

https://rps-gambling-s-q-z-b7-432.wordcanopy.com/posts/this-is-the-history-of-rock-paper-scissors-gambling-in-10-milestones

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