Same as my previous concept release, Pony base struggle with that concept in a reliable way. So the lora is there to make it so.

What does it do ?

https://danbooru.donmai.us/wiki_pages/foreskin_biting?z=2

This tag.

How to use it ?

Trigger word : foreskin biting

Strength/weigth : 0.5 (recommended). But feel free to tweak of course.