
Vaginas is part of the human body and is elastic. You can do the same thing with any body party. That how you sketch out your ears, asshole, mouth even your neck. Consent pulling in one direction loosen it and sketch it out. That why after child birth woman can do exercise to retighten it.
You don’t have a perfect command of the English language do you? Sounds like a bunch of bot farm comments, also what you just said is stupid every single one of those structures you just mentioned behaves differently, but I could see how you might have experience stretching your mouth and ass