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