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

https://rock-paper-scissors-gambling-game-o-p-o-k9-522.rivetgarden.com/posts/now-that-you-ve-purchased-rock-paper-scissors-...-now-what

Some players utilize Rock Paper Scissors to check timing and psychology-- do you go first, mirror relocations, or all of a sudden switch techniques to puzzle them?