A hair clip includes {HEAD ~ a pair} of {TAIL ~ hair retainers} for retaining hair therebetween and a pivotal shaft for pivoting the hair retainers 
of
A hair clip includes { HEAD ~ a pair } of { TAIL ~ hair retainers } for retaining hair therebetween and a pivotal shaft for pivoting the hair retainers
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH