i bowled with a friend today and i noticed that all her balls (x factor, flash force) were drilled and then i asked her whether she goes to tournaments (junior) with those balls and she said yes.
now, im not too sure about the flash force, but i know that the x factor is pretty strong, if she goes to a tournament with sport condition, and those balls drilled negative, what would be the point??
shes stroker, low revs.
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I go one hand or twohanded, and mighty zone 2 is ALLMIGHTY!