| Clue | Source | Date |
|---|---|---|
| Ceramic containers for Oreos | Newsday | 26 Jul 2021 |
| Containers often placed just out of a child’s reach | Wall Street Journal | 20 Jan 2021 |
| They may be moved higher to prevent stealing | Jonesin | 29 Oct 2019 |
| Ginger snaps vessels | Eugene Sheffer | 25 May 2019 |