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

https://rock-paper-scissors-gambling-p-o-e-g9-721.solsticebrief.com/posts/rock-paper-scissors-isn-t-as-difficult-as-you-think

Some gamers use Rock Paper Scissors to check timing and psychology-- do you go initially, mirror relocations, or all of a sudden switch methods to puzzle them?