Not sure what you mean by this? (not its uniqueness, 'after the fact'?)
An additional geometric alignment after the power package is released.
I know it changed Zones but haven't followed the thoughts on that.
12Bucket
The two cannot be seperated, I only classified them for analyists. From EDZ's cool list- it seemed the clubhead was all about Power and the shaft and face was geometric alignment. The Head is like a car speeding along the geometric highway.
Threaded Mode
