I purchased this used from AMS Pro Shop in N. Kansas City, MO. Drilled with CG kicked to left a little, pin an inch below and to right of ring finger, and leverage hole across from PAP.
I generally bowl on synthetics. I found the ball to suit me best with a little polish on it as opposed to the regular condition(dull).
Note- particles are definitely NOT hook monsters- so if you're looking for something that covers boards look at an aggressive reactive or low load particle.
With this ball, I have something that works well on oily lanes and/or carrrydown. Pocket hits carry 90 percent of the time. It's a ball that does not deflect as much as some reactives will on oil or carrydown. I found that I can string strikes more often than with my other equipment- both solid pocket hits and off-hits as well!! Hit 'em light and watch the action!!
But, polished or dull, this ball is best used on the above formentioned conditions- put it back in the bag when it gets too strong or rolls out or face the music (weak 10's, pocket splits, nose hits, ad nauseum!!!)
Ebonite/Hammer has done a great job resurrecting the Hammer line after Fab let it go. Hammer will definitely get a look from me when future purchases occur.
I give this ball a solid 9 on a scale of 1-10.(Whether it's bowling balls or women, there was only one "10", and that was Bo Derrick!!)
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Bowling is a habit- Just Do It !!!