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

https://rps-gambling-z-y-o-u9-540.pinehavenscope.com/posts/why-we-our-love-for-rps-gambling-and-you-should-too

Some players use Rock Paper Scissors to check timing and psychology-- do you go first, mirror moves, or suddenly switch strategies to confuse them?