(Do not share this, it is your paid privilege.)
I don't know what it is but there's something about animals using sharp teeth to do delicate things like pick up their young. The same applies here and with other parasite possession comics when a parasite with sharp teeth does not tear a woman's skin.
As you can see from the time-lapse I used an illustration of a stomach to draw it in the correct shape. This seems like a no-brainer but mistakes like drawing incorrect anatomy happen to this day. Someone showed me a clip from Bleach or Naruto where a girl transformed into a wolf, and the human heel did not go where the wolf heel is. It made sense to someone without the knowledge of anatomy. Trying to make things as "authentic" as possible gives a piece a few extra "points."
Sometimes some amount of "artistic liberty" is important too. For this piece I made the stomach acid a distinct color with bubbles, when in reality it is not so bubbly and it has almost no color I think. A professional example of this technique is in the first live action Transformers movie. For the Decepticon named Bonecrusher, the real life version of his Buffalo vehicle has a tiny mine scooping claw:
https://s-media-cache-ak0.pinimg.com/originals/28/02/3a/28023aa518c7be7be6bb4c86d7052848.jpg
For the movie to make it more menacing they made the scooping claw about 4 times bigger:
http://cdn3-www.comingsoon.net/assets/uploads/1970/01/file_518352_bonecrusher_header.jpg
- i v