The size of the clubhead and the volume of the cavity allowed Callaway Golf to push weight farther out to the edge of the club. This extreme perimeter-weighting and extra-wide and deep cavity back design means that the Big Bertha Iron is forgiving and friendly.
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The size of the clubhead and the volume of the cavity allowed Callaway Golf to push weight farther out to the edge of the club. This extreme perimeter-weighting and extra-wide and deep cavity back design means that the Big Bertha Iron is forgiving and friendly.