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

https://rock-paper-scissors-gambling-s-n-r-l3-021.halcyonledger.com/posts/how-to-know-the-rps-gambling-to-be-right-for-you

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