Question: What is a bowling ball coverstock and why does it matter?
Answer:
The coverstock is the outer shell of the bowling ball that touches the lane. It controls how much friction the ball creates with the oil and dry parts of the lane, directly affecting hook potential, length, and overall reaction. Even with the same core, different coverstocks can make the ball behave very differently. The coverstock is one of the two most important factors (along with the core) when choosing a ball.
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