ay and Tuesday. Pollentier’s 300 came in a 749 in the Ten Pin Alley Fifth Quarter League. He later made this post on Facebook:"Finally got around to drilling up a Roto Grip Exotic Gem and popped off 300 (#29) during the first league set out of the box. This is the strongest pearl I’ve thrown and provides a more defined downlane motion compared to the original Gem. You can... subscribe to read more. Social Media: