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

https://rock-paper-scissors-gambling-y-k-n-e7-862.unionquill.com/posts/10-misconceptions-your-boss-holds-about-rock-paper-scissors-casino

Some players use Rock Paper Scissors to check timing and psychology-- do you go initially, mirror moves, or all of a sudden switch methods to confuse them?