The Bowling Test Rigged to Pass Cheaters
The USBC durometer test for illegal soft bowling balls contains a written rule that hands the tie to the manufacturer. SOP Ball 5 has had that loophole in it the whole time.
Equipment History
The PBA Blindly Approved the Ball That Broke the Sport
In 1991 the American Bowling Congress approved a coverstock chemistry it didn’t understand. Within fifteen months the inventor admitted it killed bowling.