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

https://rock-paper-scissors-gambling-x-p-v-b8-265.pinehavenscope.com/posts/what-experts-in-the-field-want-you-to-know

Some players use Rock Paper Scissors to test timing and psychology-- do you go initially, mirror moves, or suddenly switch methods to confuse them?