The club heads further may include {HEAD ~ one or more damping members} in the interior chamber to alter {TAIL ~ the sound} and otherwise attenuate a vibrational response of the club head 
to alter
The club heads further may include { HEAD ~ one or more damping members } in the interior chamber to alter { TAIL ~ the sound } and otherwise attenuate a vibrational response of the club head
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH