The Ring of O is a specially designed ring which has been worn as a distinctive mark among BDSM practitioners, mainly in continental Europe — and especially the Germanspeaking countries — since the 1990s Its use is relatively widespread within this subculture Its name derives from the name of the central female character in the classic BDSM novel Story of O, who was a sex slaveCrescent diamond & 18kt gold necklace $3,360 Fine Jewelery Add to wishlistCrescent diamond & 18kt gold necklace ONE SIZE Jade Trau Penelope diamond & 18kt rosegold necklace $4,600 Add to wishlistPenelope diamond & 18kt rosegold necklace3mm Braided Leather Necklace, Braided Bolo Leather Cord Necklace, Stainless Steel Clasp, Natural, Grey, Brown and Black Leather Necklace Men SepiaTree 5 out of 5 stars (2,218) $1495 Bestseller Add to Favorites More colors
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