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

https://rock-paper-scissors-v-h-m-x2-882.fairmontdigest.com/posts/learn-about-rock-paper-scissors-while-working-from-the-comfort-of-your-home

Some players use Rock Paper Scissors to check timing and psychology-- do you go first, mirror moves, or unexpectedly switch techniques to confuse them?