Stainless Steel BDSM Collar With Four Rings Attached

Material:Stainless Steel
Collar Height 3cm,Collar Thickness 0.7cm
For collar diameter,there are 4 sizes optional.(diameter=circumference/3.14)
11.7cm(4.6inch),
13cm(5.1inch),
13.6cm(5.4inch),
14.3cm(5.6inch),

Attached 4 rings support you connect more bondage toys to discover more play way.