Rock Paper Scissors is ideal for decision-making when you can't concur

https://rock-paper-scissors-y-n-i-u7-421.meridiannest.com/posts/the-most-significant-issue-with-rock-paper-scissors-gambling-and-how-you-can-resolve-it

Rock Paper Scissors is ideal for decision-making when you can't agree. Choose your gesture, count down, and let opportunity settle the dispute.