I have to say I don''t like mine for spares. When the backends are crisp and/or the heads are thin / smoked, this ball will get into a roll and hook "some". For that reason, my c300 white dot is my primary piece. FOR ME, my white dot simply is directly straight (I use Valentino UFO on it) and FOR ME allows me the most margin of error on spares whereas the xxxl can move SOME, which could get me in trouble in certain circumstances. When the xxxl sees friction it will "stand up".
That being said, it does not mean that the xxxl is not a good piece for the bag. When the lanes are a true dry and you MUST play the burn, it shines, and produces a nice move (not snap) and can cover some boards. So for me, it doesn''t come out often, but when it does it is much needed and ALL ELSE (resin) is too strong.
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GetOffMe10Pin
Edited on 12/2/2010 2:41 PM