In {HEAD ~ 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 an aperture therebetween 
In { HEAD ~ 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 an aperture therebetween
OTH HEAD HEAD HEAD HEAD HEAD 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 OTH OTH OTH