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

https://rock-paper-scissors-p-q-e-s2-471.slatecurrent.com/posts/where-can-you-find-the-best-rock-paper-scissors-gambling-information

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