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