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

https://rock-paper-scissors-gambling-i-t-k-u6-670.fotosdefrases.com/the-9-things-your-parents-teach-you-about-rock-paper-scissors

Some players utilize Rock Paper Scissors to evaluate timing and psychology-- do you go initially, mirror moves, or all of a sudden switch strategies to confuse them?