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

https://rock-paper-scissors-t-i-d-j6-777.oakridgedigest.com/posts/how-to-design-and-create-successful-rock-paper-scissors-gambling-tips-from-home

Some players use Rock Paper Scissors to test timing and psychology-- do you go first, mirror relocations, or suddenly switch strategies to confuse them?