The shield is comprised of a pair of identical crescent shaped panels joined together by {HEAD ~ a seam} which is adjacent to {TAIL ~ a concave border} of the shield 
is adjacent to
The shield is comprised of a pair of identical crescent shaped panels joined together by { HEAD ~ a seam } which is adjacent to { TAIL ~ a concave border } of the shield
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH