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

https://rock-paper-scissors-q-t-w-g0-558.quillnesty.com/posts/what-s-the-reason-rock-paper-scissors-is-everywhere-this-year

Some gamers use Rock Paper Scissors to test timing and psychology-- do you go initially, mirror relocations, or all of a sudden switch methods to puzzle them?