{TAIL ~ Each flap} preferably is about 21/2 inches in {HEAD ~ length} and 5/8 inch wide 
{ TAIL ~ Each flap } preferably is about 21/2 inches in { HEAD ~ length } and 5/8 inch wide
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH