Related Clues:

• 'Phew!' inducer
• Roll-on target
• Sneaker feature
• Olfactory stimulator
• -
• Detection ability
• Place for a ring
• Very slim margin
• One may be disagreeable
• Smoke detector?
• It may be picked up in a locker
• Must, e.g.
• Find (out)
• Olfactory stimulus
• Cyrano's protrusion