{TAIL ~ 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 the interior of {HEAD ~ a receiving carton} 
{ TAIL ~ 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 the interior of { HEAD ~ a receiving carton }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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 HEAD