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