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

https://rock-paper-scissors-b-k-h-e9-917.quantlynix.com/posts/20-trailblazers-setting-the-standard-in-rock-paper-scissors

Some players use Rock Paper Scissors to test timing and psychology-- do you go initially, mirror relocations, or suddenly switch techniques to puzzle them?