More specifically, the present invention relates to rear doors for a cap or shell mounted over {HEAD ~ a bed} for {TAIL ~ a pickup truck} 
for
More specifically , the present invention relates to rear doors for a cap or shell mounted over { HEAD ~ a bed } for { TAIL ~ a pickup truck }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL