c) said {HEAD ~ rod} being entrapped within {TAIL ~ a space} formed by said curved sections of said locking clamp 
entrapped within
c ) said { HEAD ~ rod } being entrapped within { TAIL ~ a space } formed by said curved sections of said locking clamp
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH