Related Clues:

• 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
• Bellybutton variety