Related Clues:

• Metaphor for debt
• Excavation
• Middle of a doughnut
• Golf goal
• Ace's hideout
• Swiss cheese feature
• Boring result
• Doughnut's center
• Flaw, as in a theory
• Serious flaw
• Negative space
• Moth's calling card
• Froot Loops feature
• Needle feature
• Story inconsistency