{TAIL ~ The present invention} further comprises an article for shaping a sheet of material, the article comprising {HEAD ~ a collar} and a means disposed about the periphery of the collar for attaching the sheet of material to the collar 
{ TAIL ~ The present invention } further comprises an article for shaping a sheet of material , the article comprising { HEAD ~ a collar } and a means disposed about the periphery of the collar for attaching the sheet of material to the collar
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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