The Relationship Between Club Head Speed and Club Head Strength

The tests themselves, we were taught in all of our certifications, hey, these are the types of tests you should look at. But there was nobody ever really said, hey, this is the scientific relationship between these tests and club head speed. We needed something objective that we could measure and reference. So now we actually have objective information. Every month we're getting more and more data points where it's making it even easier to extrapolate out among age, sex.