In {TAIL ~ embodiments} of this first aspect, the second section is at least twice folded over itself, and {HEAD ~ the first section} is stitched to the second section 
In { TAIL ~ embodiments } of this first aspect , the second section is at least twice folded over itself , and { HEAD ~ the first section } is stitched to the second section
OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH