Related Clues:
- Crabgrass, e.g.
- Hound's clue
- Pheromone quality
- A mothball may have one
- It may be masked or disagreeable
- Nose stimulant
- Marijuana, slangily
- Air spray target
- Reason for a clothespin, in comics
- It may hang around in the locker room
- Olfactory detection
- Herbicide target
- Some insoles prevent this
- A telltale sign
- Gardener's nemesis