I knew of a few really good shooters that rolled this ball, and they shot mostly lights out with it--actually appeared to have gotten better as a result of the newfound confidence it gave them (heavy roll, great hit).
In fact, this ball was as responsible as the Columbia Black U-Dot for turning up scores back in the 1980's, and can be credited with being a catalyst for the bowling ball technology improving frenzy that the game has experienced ever since it came on the market.
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We will be known forever by the tracks we leave.