a metal trim fitting extending transversely from {HEAD ~ a free end} of said second leg portion, said metal trim fitting and said second leg portion cooperating to define {TAIL ~ a substantially V shaped member} 
a metal trim fitting extending transversely from { HEAD ~ a free end } of said second leg portion , said metal trim fitting and said second leg portion cooperating to define { TAIL ~ a substantially V shaped member }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL