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

https://rock-paper-scissors-p-u-a-s7-918.fairmontdigest.com/posts/15-gifts-for-the-rock-paper-scissors-lover-in-your-life

Some players use Rock Paper Scissors to check timing and psychology-- do you go initially, mirror moves, or all of a sudden switch strategies to confuse them?