Ring avulsion injury!
The ring pulled the skin off excessively. But at least she said yes! What causes this is a sudden pull on a finger ring results in severe soft tissue injury? ranging from circumferential soft tissue laceration to complete amputation. A degloving injury is simply an avulsion in which an extensive section of skin is completely torn off the underlying tissue, severing its blood supply. It is named by analogy to the process of removing a glove.
Dissect real organs at The Post-Mortem Live!