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

https://rock-paper-scissors-gambling-a-e-i-i4-925.lakeviewbrief.com/posts/how-to-explain-rock-paper-scissors-gambling-to-a-five-year-old

Some players utilize Rock Paper Scissors to test timing and psychology-- do you go first, mirror moves, or unexpectedly switch strategies to puzzle them?