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

https://rock-paper-scissors-q-v-m-k8-035.publishlane.com/posts/20-quotes-that-will-help-you-understand-rock-paper-scissors

Some gamers utilize Rock Paper Scissors to check timing and psychology-- do you go initially, mirror moves, or suddenly switch methods to confuse them?