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

https://rock-paper-scissors-gambling-f-c-t-v4-901.birchreport.com/posts/20-resources-to-help-you-become-better-at-rock-paper-scissors

Some players utilize Rock Paper Scissors to evaluate timing and psychology-- do you go first, mirror moves, or all of a sudden switch methods to puzzle them?