whats wrong with it? doesnt move? moves too much?

try surface changes and if it still doesnt work, sell it and buy a new one

the drilling affects very little of overall ball reaction
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When a house bowler misses the mark, misses the break point and strike, for many ppl its called a wallshot. When a pro does that its call adjustment

When a house bowler gets his finger stuck in the ball and fall on the lanes, for many ppl its called lame bowler. When a pro does that its called the Machuga flop! ha i like this one.