I'm sure this is what most people are concerned about with the Mission, and I'll relay my experience once I get to throw it again.
Well, the Mission has a 100 games on it, and it's lost about an arrows worth of hook and I threw it on the haus system for a resurface to get it back to box. Like I said, I get to throw it again on Sunday, so I'll let you know how Ebonite has addressed the longevity issue of their covers after I get to throw it again.
Although admittedly this ball is already a huge improvement as my last few Hopkinsville balls have only lasted 20-30 games even with anal retentive cleaning.
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http://youtube.com/user/Gsnap21"The framers of our Constitution believed that if the people were to be sovereign and belong to different religions at the same time then our official religion would have to be no religion at all. It was a bold experiment then as it is now. It wasn''t meant to make us comfortable, it was meant to make us free."