Almost every time I see someone posting about how 2-handed bowling is cheating and should be banned, I reply along these lines: 2-handed bowling is the Fosbury Flop of bowling — a better way to do something using nothing but your body — while few seem concerned about the use of mechanical devices that impact/control how a person releases the ball.
As far as I know, the PBA, PWBA and World Bowling have never had any rules restricting the use of such devices.
To be crystal clear, I...