Match sole resistance to wedge and long-iron needs
Examining the irons' soles, the instructor observes that a sharp leading edge looks like it wants to dig into the turf, while a rounded sole is less prone to digging. They note bounce is generally higher in the wedges and lower as you move toward the longer irons.
Channel: Club Champion
Watch official source at 10:59Why this context matters
Said while inspecting the soles of a modular iron set during a fitting-bench review.