| Clue | Source | Date |
|---|---|---|
| There's no telling where it goes (6,7) | ||
| There's no telling where it might lead to (6,7) | ||
| Escape tunnel (6,7) | ||
| Hidden Hogwarts corridor | The Washington Post | 12 Jul 2021 |
| Hidden Hogwarts corridor | LA Times Daily | 12 Jul 2021 |
| Shortcut in Clue | Thomas Joseph | 02 Aug 2019 |
| Conservatory-to-Lounge route | Thomas Joseph | 12 May 2017 |
| Cloak-and-dagger piece of writing for The Historical Channel perhaps | Irish Times Crosaire | 25 Jun 2016 |