Use perimeter weighting to increase putter forgiveness
The Phantom putters combine a 303 stainless-steel face with a 6061 aluminum section. Removing weight from the middle and redistributing it around the perimeter raises MOI and forgiveness, while the wing design moves the center of gravity deeper and wider.
Channel: Club Champion
Watch official source at 2:48Why this context matters
The explanation uses the Phantom 11 head as the specific wing-design example.