Part OneErection enhancement devices and penis jewelry are both called "rings." So what's the difference? Jewelry: A Short History What's the difference between penis jewelry and cock rings? Let's look at how jewelry has evolved over the centuries, and compare the evolution of jewelry to that of our culture. The jewelry we use for fashion purposes, like necklaces, bracelets, earrings, hair clips and so on, evolved from jewelry that was used for adornment. Back in those days, if you wanted to be noticed, you had to use jewelry - jewels, stones and other precious or semi-precious stones. These jewelry pieces were designed specifically to accentuate your body and give it the beautiful look that only jewelry can provide. In the beginning, jewelry was designed with just that in mind: to add beauty to the body. Back then, jewelry was made from semi-precious and precious gemstones that were cut, polished and mounted into jewelry. In fact, back in those times jewelry was considered an importan...