d) said {HEAD ~ curved sections} of said {TAIL ~ locking clamp} being shaped complementary to said rod 
of
d ) said { HEAD ~ curved sections } of said { TAIL ~ locking clamp } being shaped complementary to said rod
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH