FST shafts

[goughy]

And can't you load the shaft differently, and doesn't that have an effect on what flex shaft could work? Surely two people could have the same club head speed/launch angle etc at impact, yet one has a more aggressive load of the shaft and the other looks smoother (like Els)

[Daves]

And can't you load the shaft differently, and doesn't that have an effect on what flex shaft could work? Surely two people could have the same club head speed/launch angle etc at impact, yet one has a more aggressive load of the shaft and the other looks smoother (like Els)

Transition/Tempo issues, yes.