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

https://rock-paper-scissors-v-a-v-k5-316.pinehavenscope.com/posts/20-inspirational-quotes-about-rock-paper-scissors-gambling

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