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

https://rock-paper-scissors-gambling-j-a-b-p2-969.urbanvellum.com/posts/11-ways-to-completely-redesign-your-rock-paper-scissors-casino

Some players use Rock Paper Scissors to check timing and psychology-- do you go first, mirror relocations, or unexpectedly switch methods to puzzle them?