I like deep bellybuttons. My favorite shape is round, next is oval. More the diameter depth of the navel, the sexier it is.
This website is more about belly, the belly of past years showcasts majorly shallow bellybuttons.
Bellybutton contents got removed from pornhub. So I got to buy in c4s or other stores. I couldn't find anyone, with whom I can trade my collection.
I am from India, and got unique content for navel lovers, but nowhere to share.