{HEAD ~ The cover flap} is aligned along {TAIL ~ two edges} with two edges of the backing sheet and attached along at least one edge 
{ HEAD ~ The cover flap } is aligned along { TAIL ~ two edges } with two edges of the backing sheet and attached along at least one edge
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH