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

https://rock-paper-scissors-d-g-m-g0-399.capitaljays.com/posts/how-to-get-more-results-with-your-rock-paper-scissors

Some gamers use Rock Paper Scissors to test timing and psychology-- do you go initially, mirror moves, or unexpectedly switch techniques to puzzle them?