This LoRA contains two concepts that can be combined with each other.

The first is a mouth-spreading gag (mouth expander).

dental gag, detailed wet lips around metal, extreme BDSM oral degradation, glossy metal gag with screws and bars, heavy metal jaw spreader gag, metal dental gag holding mouth open, mouth forced wide open showing teeth, spreader gag,

The second is metallic bondage spheres.

1girl , bondage, glossy metal spheres, erotic heavy restraint, metal collar with chain, metal bondage mittens, naked,

By default, the LoRA tends to put characters on their knees, so be sure to specify the character’s positioning.