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Roto Grip is pulling the pin, tossing the Grenade and shaking it up.

Pin to PAP(5 1/8" over 1/8" up) - 4 1/2" under ring finger
Mass Bias Position - n/a
CG Placement - lower right quad.
Balance Hole - 1" x 2" from center of grip through cg on VAL

Surface Preparation - Out of Box (2000 grit Abralon)

What I Was Looking For In This Ball Layout:
It has been a long time since I threw a urethane cover ball. When say a long time I mean like 10+ years.

I figured I would use one of my favorite layouts so I would have some base line to go off of and see what happened. I was hoping that it would be an aggressive enough layout to get a decent read on a fresh pattern. I know urethane tends to roll really strong and kind of set at the break point as opposed to reactive stuff the continues to flip through the pins.

My logic was this layout would start the ball up nice and strong and give me a little more continuation down lane before it set up at the break point.

What I Ended Up With in the Ball and Layout:
I have to say that I am impressed with my knowledge of urethane. :-) This ball did exactly what I thought it would. The first few shots I threw with it was a reality check that this was not reactive and I had to jump right. After I got in the right part of the lane the ball rolled really good. I can see how some peoples game developed from throwing urethane because you cant really do what you would normally do with reactive balls with your hand. Once I started getting right up the back of the ball of adjusted my ball speed I loved the ball motion.

Immediately I started thinking of conditions this would work great on and different layouts I could use on this ball. Since the ball does not over react or over read friction you can get pretty creative. I then started to realize why you saw so many Storm Naturals on tour last season. Pros must love having a good urethane ball they use during those brutal qualifying rounds.

All in all I think the addition of a urethane ball to your bag is a smart choice and the Grenade is the one to go with.