The thumbless grip has been made more popular in recent times due to the rise of the two-handed bowling technique.

At its core, both a two-handed release and a one-handed thumbless release share many similarities in how the ball is supported and released. In both cases, the thumb is removed from the bowling ball, allowing the bowler to rely primarily on the fingers for control and rotation.

This technique allows the bowler to keep their hand under the equator of the bowling ball for a longer period during the swing and release. By maintaining this position, the fingers can more easily rotate from the inside of the ball to the outside, increasing the bowler’s ability to generate revolutions. More revolutions typically result in increased hook potential and a stronger ball motion downlane.

Another benefit of the thumbless grip is reduced reliance on thumb fit and thumb timing. Many bowlers struggle with inconsistent thumb exit, which can lead to dropped shots, excessive grip pressure, or reduced accuracy. Removing the thumb can simplify the release and allow the bowler to focus more on swing mechanics, balance, and timing.

However, the thumbless grip also introduces important considerations. Because the thumb no longer supports the weight of the ball, the fingers must carry more load. Proper finger fit, pitch, and span become critical to avoid discomfort or injury. Additionally, bowlers may experience a reduction in control or accuracy if the technique is not practiced and refined.

Overall, the thumbless grip can be a powerful tool for generating higher rev rates and stronger hook potential. When paired with proper technique, physical conditioning, and correct drilling layouts, it can be an effective option for bowlers looking to maximize performance—whether using one hand or two.