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

https://rock-paper-scissors-c-j-k-r1-207.opalvector.com/posts/11-faux-pas-that-are-actually-acceptable-to-create-using-your-rps-gambling

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