{HEAD ~ Portions} of the sheet of material 18 are attached to {TAIL ~ the periphery} of the collar 12 as described above but without the object 14 serving as a form, so that the central portion 24 of the sheet of material 18 is formed into the selected shape 
are attached to
{ HEAD ~ Portions } of the sheet of material 18 are attached to { TAIL ~ the periphery } of the collar 12 as described above but without the object 14 serving as a form , so that the central portion 24 of the sheet of material 18 is formed into the selected shape
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH