
Learning to curve a plastic bowling ball can take a lot of time and practice, but it's a great way to improve your bowling score and impress your friends. To curve a bowling ball, you need to master the hook technique, which involves using a fingertip grip and releasing the thumb first, followed by the fingers, to create maximum rotation. The position of your hand, wrist, and body during the release also plays a crucial role in achieving the desired curve. Additionally, the type of bowling ball you use, such as those with urethane or resin coatings, can impact the ease and success of your curve.
| Characteristics | Values |
|---|---|
| Grip | Fingertip grip where only the first knuckle of the fingers is inserted |
| Thumb position | Exit the ball first, pointing towards the sky |
| Finger position | Exit the ball after the thumb |
| Stance | Several inches from the foul line, at least four steps away from the release |
| Feet | Line up with the arrow on the lane you are aiming for |
| Ball type | Urethane or resin coating; reactive ball |
| Ball weight | A heavier ball will be easier to curve |
| Practice | Start with a tennis ball or get a coach |
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What You'll Learn

Use a fingertip grip
To curve a plastic bowling ball, you need to use a fingertip grip. This grip allows you to put only the tips of your fingers (middle and ring) in the ball, leaving your thumb in. The fingertip grip gives you more control of the ball, especially during release, as it allows for a looser hold so the ball can roll off your hand smoothly. This results in more revolutions per second, which means more spin and a sharper, more controlled curve.
To master the fingertip grip, start by making sure your ball fits well. Position yourself a few inches from the foul line and at least four feet back from your release. As you start your swing, keep your wrist straight and firm but flexible. The key movement is at the release, so as the ball gets to the bottom of your swing, rotate your hand slightly inward (counterclockwise for right-handers and clockwise for left-handers). This rotation imparts spin to the ball, causing it to curve. Ensure you don't overdo the rotation, or you'll lose control of the ball.
When releasing the ball, start by releasing your thumb first, followed by the fingers, to create maximum rotation. As you release, rotate your fingers along the outside of the ball, from a 4 o'clock position to a 7 o'clock position. This technique will make the ball curve. Practice this technique with a smooth and controlled motion to perfect your hook.
While plastic balls are great for straight shots, they don't offer the same level of traction as reactive resin balls. If you're looking to master the curve, consider investing in a reactive resin ball, which will provide more friction and spin.
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Thumb exits the ball first
When it comes to curving a plastic bowling ball, one of the key techniques to master is ensuring that your thumb exits the ball first during the release. This method is crucial for achieving the desired spin and curve on the ball. Here's a step-by-step guide to help you execute this technique effectively:
Grip the Ball Properly: Start by placing your fingers and thumb into the holes of the bowling ball comfortably. Ensure that your thumb is positioned straight and firmly in the thumb hole. This grip sets the foundation for the upcoming release and rotation of the ball.
Approach and Backswing: As you approach the lane, maintain a smooth and consistent movement. When you swing the ball back, keep your arm relaxed and allow the ball to swing naturally. Focus on timing your steps and swing to achieve a harmonious and controlled movement.
Forward Swing and Release: During the forward swing, the key is to maintain a smooth and continuous motion. As you bring the ball forward, start rotating your wrist so that your thumb begins to exit the ball first. This rotation is vital for generating spin. Aim for a fluid and seamless release, ensuring that your thumb smoothly glides out of the ball.
Follow-Through: After releasing the ball, continue the natural motion of your arm and let your hand follow through. A smooth and extended follow-through helps ensure that you maximize the spin imparted on the ball. Maintain your focus on the target and keep your posture momentarily to assess your throw.
Practice and Adjustments: Mastering the technique of having your thumb exit the ball first takes practice and refinement. Each bowler's style is unique, so make adjustments as needed. Fine-tune your grip, wrist rotation, and release to find what works best for you. Observe the ball's reaction and make adjustments to perfect your curve.
Remember, the thumb-out-first technique is just one aspect of curving a plastic bowling ball. Combining it with the right ball speed, wrist action, and body positioning will help you achieve the desired curve and strike. With dedicated practice and a keen eye for adjustments, you'll be curving the ball skillfully.
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$89.95

Control the degree of the curve
To control the degree of the curve when bowling with a plastic ball, you can vary the ball's position and the timing of your release. For a more dramatic curve, release your fingers from the ball more quickly. You can also experiment with a more or less drastic counterclockwise motion.
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It is also important to consider the type of ball you are using. A ball with a urethane or resin coating will make your hook shot easier. Urethane coverstocks provide more friction than standard plastic balls, while resin coatings can dig into the oil on the lane, improving accuracy.
Additionally, the RG rating and coverstock of your ball can impact the degree of the curve. A high differential RG rating and matte-finish coverstock can create a sharp hook, even on oily lanes.
To fine-tune your technique, you may want to experiment with different variables. Try adjusting your start position, footwork, or the ball you are using. Practising with a tennis ball can also help you improve your hook shot without having to go to a bowling alley.
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Urethane or resin coating
Urethane and reactive resin are two types of coverstock material used for bowling balls. Coverstock materials affect how the ball reacts when hitting the bowling lane, as each material creates a different type of friction against the lane's surface.
Urethane is more long-lasting than plastic coatings and provides more friction against the lane surface, giving it more hook potential. Urethane absorbs oil and is commonly used on short patterns because it offers superb backend control, not because of a lack of hook potential.
Reactive resin bowling balls have the most friction, hook potential, and pin action when compared to urethane or plastic-coated balls. Reactive resin has a sticky surface that grips the lane better, generating more friction, spin, and hook. This type of coverstock is not the most durable and can be more difficult to use due to its high sensitivity to lane conditions and user errors. It is recommended that intermediate and advanced bowlers use balls with this coverstock.
To identify whether a bowling ball is made of urethane or resin, you can put some oil on your finger and then touch the ball. If the oil just sits on the ball, it is urethane or plastic; if the ball absorbs the oil, it is resin.
When attempting to curve a bowling ball, the spin of the ball is what will make it curve. This spin is created by a quick flick of the wrist as you release the ball. This is a rotation of the hand – for right-handers, rotate counterclockwise, and for left-handers, rotate clockwise. It is important to keep your wrist straight as you start your swing and only rotate your hand slightly inward at the bottom of your swing. This is what imparts the spin for the ball to curve.
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Body position
To curve a bowling ball, your body position is key. You'll want to stand relaxed, with your feet shoulder-width apart and your knees slightly bent. This will create a stable foundation for your throw. As you approach the lane, take 4-5 controlled steps. Keep your eyes on the target (the arrow markers on the lane) and maintain your balance.
Your hand position is also important. Place your middle and ring fingers into the holes, leaving your thumb just inside the thumb hole and your index finger on top for stability. The grip should be firm but not too tight, allowing for a smooth release. As you start your swing, keep your wrist straight and firm but flexible. As the ball approaches the release point, a quick flick of the wrist will create spin—this is what will make the ball curve. For right-handers, rotate your hand counterclockwise, and for left-handers, rotate it clockwise. Think of this as a handshake position, then turn your hand over to the left.
The speed of the ball and the amount of spin will determine the curve. If you want a sharper curve, release the ball later. You can also adjust the curve by altering the starting position of the ball and the timing of your release. For example, if you want to curve the ball to the left, release it slightly to the right of centre.
One common mistake is focusing too much on power rather than technique. It's more about the precision of your grip, release, and wrist action than the speed or force of your throw.
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Frequently asked questions
To curve or "hook" a bowling ball, use a "`fingertip grip`" where only the first knuckle of the fingers is inserted. Have your thumb exit the ball first, followed by the fingers, to create maximum rotation. Make sure your ball fits well and your release is well-timed.
You want to be several inches from the foul line and preferably at least four steps away from your release. Line your feet up with the arrow on the lane you are aiming for (which will depend on how hefty your curve is).
Consider getting your own ball with a urethane or resin coating. Urethane coverstock will make your hook shot easier as they provide more friction than standard plastic balls. A resin coating can dig into the oil in the lane, increasing your chances of hitting your target.









































