In one embodiment, {TAIL ~ the present invention} seeks to maximize the COR for {HEAD ~ low swing speed players} 
In one embodiment , { TAIL ~ the present invention } seeks to maximize the COR for { HEAD ~ low swing speed players }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD