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