https://civitai.com/models/2220145/chastity-piercing-bar-c-ill

Not my model

keywords: LLBPH, LLBP, labia piercing, barbell piercing and other words on the topic
The dataset is real photos, not very detailed, close-ups, so close-ups come out fine. Results vary significantly across different models, so you need to experiment.

I recommend a weight of 0.55-0.7