With a strong curve, this glass dildo is great for reaching men's prostates or women's G-spots. The flowery etching is subtle and artistic, offsetting the black sheen of the toy without slowing a smooth insertion. This is pretty close to what I think of as an ideal glass toy, with only minimal suggestions for improvement. In fact, just thinking about the Onyx, I think I need another "test run..."
If you are a beginner to glass toys, or if you are just looking for a new every day, every circumstance massager, this is the toy for you. Using this toy was pleasurable, and it reached all the right places. I have used this toy 5 out of the last 7 days because it is just that good. The ridges don't make sense to me, and the size could be a tad small for some advanced users.
The Onyx is a great toy to add to your collection. It is great for a beginner who is new to anal, the girth isn't too thick, and the size isn't too overwhelming. It is shatterproof, easy to clean, and great for both p-spot and g-spot play. Give it a try, I think you will enjoy yourself very much!