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

https://rock-paper-scissors-gambling-w-o-l-r0-348.rivertonbrief.com/posts/15-funny-people-working-secretly-in-rock-paper-scissors

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