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

https://rock-paper-scissors-x-d-a-z5-236.juniperbrief.com/posts/this-is-the-history-of-rock-paper-scissors-in-10-milestones

Some players utilize Rock Paper Scissors to check timing and psychology-- do you go first, mirror relocations, or unexpectedly switch strategies to puzzle them?