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

https://rock-paper-scissors-gambling-e-l-p-y3-917.pinehavenscope.com/posts/10-facts-about-rock-paper-scissors-that-insists-on-putting-you-in-good-mood

Some gamers utilize Rock Paper Scissors to test timing and psychology-- do you go first, mirror relocations, or all of a sudden switch strategies to confuse them?