Could I assume that in the MPF iron playability is listed in increasing order of stiffness. For example, would the Rapport Core Blue Iron 70R be stiffer than the Kuro Kage Black 2nd Gen irons R. I am considering...

After removing the rest of the heads and calling Mizuno, I determined that substance was excess epoxy. As a hobbyist, most of my work and my reshafting have been with irons I built myself. So, each club...

It was white and I removed it carefully from the hosel and shaft. I reshafted one club as a test for a more flexible shaft. If I decide to do the rest of the clubs, I will order them from GolfWorks. So,...

While reshafting  Mizuno 921 Hot Metal irons I found a hard gel like substance in housel and shaft. I have reshafted several other sets not Mizuno and never came across that.

Does adding 6-gram tip weight in shaft to increase swing weight change ball flight as opposed to lead tape?