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