It involves players using both hands, in contrast to the Western variant, which requires only one hand ... or a loss; Rock beats scissors, scissors cut paper, and paper covers rock.

The rules are simple: Rock beats scissors, paper covers rock, scissors cut paper ... It's whatever my hand does." A strain of testosterone-induced madness ran through the competition.

It involves players using both hands, in contrast to the Western variant, which requires only one hand ... or a loss; Rock beats scissors, scissors cut paper, and paper covers rock.