| Clue | Source | Date |
|---|---|---|
| *It may temporarily blind you | Wall Street Journal | 20 Oct 2020 |
| Riot-control tool | Thomas Joseph | 02 Apr 2019 |
| Self-defense in a can | USA Today | 06 Mar 2018 |
| Defense in a can | Universal | 09 Feb 2016 |
| Defense in a can | ||
| Defense in a can | USA Today | 22 Jun 2015 |
| Self-defense option | LA Times Daily | 24 Feb 2015 |
| Defense in a can | ||
| Self-defense option | ||
| *Canned defense |