You'll begin by drilling a hole through the top center of the bowling ball using a drill press. He uses a wooden holder to ...

Once your sealant is dry and your ball is decorated how you'd like, drill through either one of the finger holes or the thumb ...

“Once (the pro shop has) that information, they can drill each ball so it works for them,” Burns said. “Bowling balls have cores with different densities and designs, so having that PAP information ...