5 metal rings, connected by a leather strap for male constraint and adornment Stockroom.com is thrilled to introduce the KinkLab line, a place where you can test the limits of pleasure with aid from high-quality, appealing, and functional products. KinkLab products are designed to help you realise your own visions of how passionate, creative, and positively charged your own private erotic life can be. These products and packaging are designed in the USA. The unique packaging displays these products clearly and honestly. In many cases the packaging is also reusable and provides a functional and attractive way for you to store your toys for future use. 2 7/8'' Total length. The Back O-ring (base of the cock) is 1ó'' in diameter. Then there are two 1«'' diameter O-rings, followed by two 1¬'' diameter O-rings.