This is a huge improvement over the Cerberus!
1. Bigger knot
2. More comfortable ball-strap
3. Looks better: the sculpting is more organic and realistic
4. Looks better: The color is a brighter red
5. Insides feel better
6. Thicker and sturdier material
And, on a personal note,
7. Offered in a smaller size fits me better (Cerberus didn't come small enough, and the insert was hacky at best).
This is my favorite sex toy purchase ever. A+, 5 stars, 10/10, good job, would buy again.