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