Trying to keep this from being  FIGJAM post but figured props to Roto Grip were due.  

I got a Grand Illusion a while back and to be honest, wasn't really happy with it.  Seemed to not have as much bite as I had hoped.

Roto Mike changed the surface for me, taking the polish off with a 2000 abralon pad.

Used it last week in league and shot 300 in the first game.  with the polish off of it it makes the move I had hoped it would when I first got it.  IT also holds pretty well when I pull it a touch.

As a recent Roto Grip convert, I am very happy with the versatility these balls have, easily getting a different reaction by changing the cover.  I have had many different companies products and RG is by far the best when it comes to surface changes.

Bravo on a great product line, top to bottom.
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Speed Kills
When in doubt, move out