Some players utilize Rock Paper Scissors to check timing and psychology-- do you go initially, mirror relocations

https://rock-paper-scissors-gambling-game-s-c-y-c5-139.talesignal.com/posts/15-reasons-to-not-overlook-rock-paper-scissors

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