Each of the clamps includes a first jaw and {HEAD ~ a second jaw} connected to the first jaw by {TAIL ~ a hinged connection} 
connected by
Each of the clamps includes a first jaw and { HEAD ~ a second jaw } connected to the first jaw by { TAIL ~ a hinged connection }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL