| Clue | Source | Date |
|---|---|---|
| Phaser, slangily? | LA Times Daily | 27 Mar 2022 |
| Phaser, slangily? | The Washington Post | 27 Mar 2022 |
| Portable warming device | USA Today | 22 Feb 2022 |
| Portable device for warming a small area | USA Today | 21 Aug 2020 |
| Convenient warmer | Universal | 05 Aug 2018 |
| Astronaut's weapon? | USA Today | 05 Apr 2018 |
| Convenient warmer | ||
| Astronaut's gun? |