Don't over-weight your shaft if you load it smoothly
The fitter explains that a golfer who loads the shaft smoothly does not need a heavy shaft. Without a fitting tool, many players end up in something too stiff and too heavy, and going too heavy when you load it smoothly can cost you distance.
Channel: Grant Horvat Golf
Watch official source at 3:32Why this context matters
Said during the shaft-optimizer portion of an iron/driver fitting.