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