| Clue | Source | Date |
|---|---|---|
| One of many under a fire walker's foot | ||
| Campfire remnant | New York Times | 30 Jun 2024 |
| Glowing barbecue bit | The Washington Post | 13 Sep 2019 |
| Glowing barbecue bit | LA Times Daily | 13 Sep 2019 |
| Glowing barbecue bit | ||
| Ember | Thomas Joseph | 30 Mar 2017 |
| Item in an old bed warmer | Wall Street Journal | 24 Dec 2015 |
| Item in an old bed warmer | ||
| Red wood, perhaps | ||
| Item in a firewalker's pit | ||
| Red wood, perhaps |