Yeah it's a valid question that got a pretty valid answer. Problem is, these threads always tail off into long and stretched out arguments over pearl vs solid vs hybrid what is one and what isn't. Then you get a dozen people arguing back and forth about something that doesn't really matter (see Power Swing thread in columbia forum). Does the ball roll well on the intended condition is was designed for? If so then great, who cares if it's pearl/solid/hybrid/animal/vegetable/mineral. The usual suspects usually come up in these type of threads everytime there's an argument for a shell's composition. All in all, it doesn't really matter.
Just getting to the point nice and early before page 2, 3, and 4 or nonsense ensues.
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-DJ Marshall
...The Twelve In a Row Pro Shop. AMF Bowie Lanes -- Bowie, MD