| 1. A method for adjusting a center of gravity of a golf club head after its manufacture, the golf club including a head comprising
a hollow shell having a plurality of thin walls that collectively form a club head, the club head including a face for striking
a golf ball, a heel portion, a toe portion, a back portion and a sole and having an original center of gravity prior to addition
of any weights, the club head further including a plurality of user-attachable and detachable, discrete weights arranged on
the shell at spaced-apart locations, the method comprising:
hitting golf balls with the club with the plurality of weights detachably secured to the shell in a first arrangement, in
which the plurality of weights are positioned in at least two locations other than the sole, permitting movement of the center
of gravity of the club head from the location of the original center of gravity toward the club face, wherein the sole is
formed of one or more substantially planar surfaces at the bottom of the club head facing downwardly; and
after hitting golf balls with the club, forming a second arrangement with the plurality of weights detachably secured to the
shell, the second arrangement moving the golf club head center of gravity forward of the original center of gravity in the
general direction of a first axis extending between the face and back portion of the head and in the general direction of
a second axis extending between the heel and the toe portions.
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