{HEAD ~ The folded drape} 8 wherein {TAIL ~ said segment} of folded length of material is doubled 
wherein
{ HEAD ~ The folded drape } 8 wherein { TAIL ~ said segment } of folded length of material is doubled
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH