| Clue | Source | Date |
|---|---|---|
| Moistened cleaning cloths: 2 wds. | Commuter | 28 Aug 2024 |
| Moist cloths | ||
| Car-washing equipment | New York Times | 09 Dec 2023 |
| Counter-wiping aids | The Washington Post Sunday | 05 Jul 2020 |
| Spineless sorts, metaphorically | New York Times | 16 May 2020 |