In accordance with the teachings of the present invention, adjustable ring structure is provided wherein {TAIL ~ a ring shank} is hinged to define first and second arcuate elements having {HEAD ~ an aperture therebetween} 
In accordance with the teachings of the present invention , adjustable ring structure is provided wherein { TAIL ~ a ring shank } is hinged to define first and second arcuate elements having { HEAD ~ an aperture therebetween }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD