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Answer
Cavity backs don't affect your swing. They make the club more forgiving with any swing by placing the weight around the perimeter of the club. This increases the clubs moment of inertia, and makes it less apt to torque when struck off center.
Some pros use them, some use a variation on the theme, and some use the "flat-backed" irons.
Phil Marrone, PGA
First answer by ID0000000000. Last edit by ID0000000000. Question popularity: 135 [recommend question]
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Cavity back golf club? What makes a pendulem swing go back and forth?
