Troubleshooting and Fixing Thumb Exit Problems
One of the most complicated issues to fix in bowling is the concept of “clearing the thumb." This refers to how consistently your thumb exits the ball as part of...
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The Deep Ocean Vibe joins the Arctic Vibe and Bubblegum Vibe in the current Hammer lineup. This ball uses a solid version of the HK22 - CT Reactive Plus coverstock,...

The Hyped Up marks the return of the Hyped nameplate to Roto Grip's HP2 line for the upcoming season. We were big fans of the Hyped Pearl and Hyped Hybrid...

The Transform Pearl is the second ball in the Roto Grip line to use the Morph-Wing core shape. This is the same weight block that was featured in the Transformer,...

The Motiv Sigma Tour Pearl marks the return of the Sigma core for the first time in a non-ExJ ball since the Rogue Assassin from 2019. This symmetrical core design...

The Fallout is a very strong symmetrical ball from Hammer. It takes the HK22C2 Solid coverstock from the Zero Mercy Solid and pairs it with a new symmetrical core shape....

The Hustle VP is the polished option in the HP1 line for Roto Grip in the 2026 summer and fall seasons. This ball uses the same Hustle symmetrical core design...

The Vengeance Returns is the much-anticipated follow-up to the Vengeance for 900 Global. In addition to a strong social media campaign, the Vengeance offered a very good ball motion on...
By Tyrel Rose
One of the most complicated issues to fix in bowling is the concept of “clearing the thumb." This refers to how consistently your thumb exits the ball as part of...

By Bill Sempsrott
Almost every day, I feel like I see or hear something that is completely incorrect about axis rotation or axis tilt. Sometimes, people just mix up the two terms and...

By Juha Maja
What does it mean to have a consistent release? Many bowlers want a "better" release and point to having more revs and more consistency. Taking the revolutions out of the...

By Tyrel Rose
Should I be using a urethane ball? It's a question that many bowlers find themselves asking, given how popular urethane has become at the highest levels of the sport. At...

By Ernesto Avila
Before we discuss how to improve your spare shooting, I’d like to go back to how I started my search for the best way for a bowler to make more...

By Heather Sterner
Over the years, I think the most common question to pop up in my inbox is, “What exercises should I do to improve my bowling game?” I have always struggled...








