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Size Customizable Round Cock Ring
Material: Stainless Steel
Thickness of the ring:4mm/5mm/6mm/7mm/8mm/9mm/10mm
Inner diameter of the ring is customizable.
Use a quite thin rope to measure the circumference aound where the ring be worn and divide by 3.14 to get the diameter. Usually you should consider to reduce the diameter a bit, because the cock ring needed to be a little tight when wearing.