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