https://civitai.com/models/908876/plug-gag-noobai-epsillustrious-pony-xl

Open plug:

• Prompt : unplgag, tongue out, (plug gag: 0.8 - 1.0)

• Negative prompt: teeth,

Closed plug :

• Prompt : plgag, (plug gag:0.8 - 1.0)

• Negative prompt : open mouth, saliva,

(Optional):

• Prompt : gag, gagged, gag harness, muzzle, mouth mask, covered mouth,

• Negative prompt : gag harness, harness, collar, belt, armbinder