I have a Domination (Reactor, RAD) and a Shift (R2S, ShapeLock), even in this extreme comparison, the Shift really works well of the dry, as well as the Domination. In the end, I have to say R2S is stronger, but even with that going from R2->R or R-R2 these balls really are awesome, maybe even more so that the loved Acu-Thread X-Factors!
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Thanks,
JK009
AIM: chief damarus