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

https://rock-paper-scissors-gambling-u-v-r-d5-090.scriblorax.com/posts/responsible-for-a-rps-gambling-budget-10-unfortunate-ways-to-spend-your-money

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