Read the sole's turf mark across the grind
The fitter uses the green turf mark left on the wedge sole as a contact checkpoint. A mark that runs uninterrupted across the back edge of the grind's knuckle is what he wants; an edge that sits visibly high is suboptimal.
Channel: Micah Morris
Watch official source at 22:43Why this context matters
The checkpoint uses the visible grass mark left on the tested wedge sole.