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

https://rock-paper-scissors-gambling-w-u-r-s4-740.fairmontdigest.com/posts/17-reasons-why-you-shouldn-t-avoid-rock-paper-scissors

Some players utilize Rock Paper Scissors to check timing and psychology-- do you go first, mirror relocations, or unexpectedly switch strategies to confuse them?