As for stationary for long periods, what about the balls you use week after week. They are hardly stationary for long periods And they crack too.
I think its more temperature changes and a weak area of the coverstock. Plus the coverstock are kind of thin on today''s balls also.
The thing with balls stationary for long periods I''ve saw, are dents from ball cups and small flat spots from setting in boxes on hard floors.
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Aloarjr810
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Click For My GripEdited on 4/12/2010 5:41 PM