They claimed there is a secret behind their winning streak. I had three grade school classmates who were very good at winning the Rock-Paper Scissors game: Henry Lovitos, Reynaldo Idea and James Asahan.
When we were kids, this is the game we played to determine who will go first inside a dark room or who will get the last piece of candy. When playing team sports (like tigso, softball, or basketball), we used it to group ourselves into opposing teams (one group consists of all the losers and the other group, all the winners).