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- Groove-In-Groove Technology – Additional micro grooves between the standard grooves have been added to the face. This increases surface roughness for added spin into and around the green.
- 4 Grinds – Now offered in 4 different grins allows for a greater audience to experience the Mack Daddy series from Callaway. (C, S, W and X Grinds)
- W-Grind -Sole is wider at the center and toe and narrower at the heel, this prevents digging without increasing the bounce angle, and keeps the leading edge closer to the turf through impact.
- Tour Inspired Shaping – On tour validation has led to a refined head shape in the Mack Daddy 4. It is more compacted, features a straighter leading edge and a tighter leading edge radius. This ensures better turf interaction especially from tighter (Firmer) conditions.