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

https://rps-gambling-x-y-h-z3-693.lakeviewbrief.com/posts/the-reasons-why-rock-paper-scissors-is-everyone-s-obsession-in-2024

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