Related Clues:

• Allergy trigger in an attic
• Tiny cracker morsel
• Clean with a feathery wand
• White glove discovery
• 'Achoo!' inducer
• __ bunny
• Common allergy trigger
• Small fragment inside causes terrific rumbling
• Cookie leftover
• Ant's haul
• Old book collection?
• Sneeze trigger, often
• Bookcase buildup
• Task on a chore chart
• Clean, as a shelf