An adjacent intermediate panel, attached at a common narrow end to the holding fabric, may be made of a similar or heavier material or of {HEAD ~ multiple layers} as {TAIL ~ the upper panel} 
as
An adjacent intermediate panel , attached at a common narrow end to the holding fabric , may be made of a similar or heavier material or of { HEAD ~ multiple layers } as { TAIL ~ the upper panel }
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 HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL