Related Clues:
- It doesn't come out of the stomach
- Omphalos variety
- Navel observation
- Umbilical development
- Protruding navel
- Belly button that collects lint
- About 90% of people have one
- Common belly button type
- Sort of navel
- Hole just above a belt
- Lint trap, so to speak
- Variety of navel
- It's not designed to be a lint trap
- Protruding bellybutton
- Tummy concavity