{HEAD ~ The flap} is held in position hanging over the reference edge of the table by the weight of the unfolded stack of panels above the flap and by the rest of {TAIL ~ the drape} 
{ HEAD ~ The flap } is held in position hanging over the reference edge of the table by the weight of the unfolded stack of panels above the flap and by the rest of { TAIL ~ the drape }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL