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

https://rps-gambling-v-x-r-n5-745.brightpathdigest.com/posts/why-rock-paper-scissors-is-everywhere-this-year

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