Non limiting examples include a string bed for {HEAD ~ a tennis racquet} or racquetball racquet, a hammer head, or a blade or {TAIL ~ driver head} at the end of a golf club 
Non limiting examples include a string bed for { HEAD ~ a tennis racquet } or racquetball racquet , a hammer head , or a blade or { TAIL ~ driver head } at the end of a golf club
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH