four diagonal plates adapted to individually bisect the corners of a receiving carton, the four plates being joined across common ends to form a unitary structure conforming to {HEAD ~ the interior} of {TAIL ~ a receiving carton} 
of
four diagonal plates adapted to individually bisect the corners of a receiving carton , the four plates being joined across common ends to form a unitary structure conforming to { HEAD ~ the interior } of { TAIL ~ a receiving carton }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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