| Clue | Source | Date |
|---|---|---|
| Pain reliever | New York Times | 07 Nov 2025 |
| Soreness treatment | The Washington Post | 25 May 2019 |
| Soreness treatment | LA Times Daily | 25 May 2019 |
| Soreness treatment | ||
| Ache soother | ||
| Pain reliever | ||
| Electrical device. | ||
| Ancestor of the electric blanket. |