| 摘要 |
A new bowling ball with specially located weight implants to compensate for weight loss and correct imbalances caused by removing material when drilling finger holes, as well as to yield improved hooking control. This improved bowling ball has three weights or implants inserted in the core of the ball, one conical-shaped implant positioned in the core halfway between the thumb hole and finger hole, and the other two weight implants positioned equi-distant from the first weight implant at the 3 and 9 o'clock positions relative to the first weight implant. After the weight implants are inserted in the core, a covering is placed around the core, and then the thumb and finger holes are drilled in the proper positions. This new bowling ball provides significantly improved handling characteristics and enables the user to curve or hook the ball more easily to obtain higher scores.
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