Rock Paper Scissors is best for decision-making when you can't concur
https://rock-paper-scissors-n-y-y-f2-268.northvaledigest.com/posts/15-up-and-coming-rock-paper-scissors-bloggers-you-need-to-be-keeping-an-eye-on
Rock Paper Scissors is perfect for decision-making when you can't agree. Pick your gesture, count down, and let opportunity settle the argument.