| Clue | Source | Date |
|---|---|---|
| Transmission addition | Newsday | 14 Jul 2022 |
| Transmission need | The Washington Post | 02 Feb 2020 |
| Transmission need | LA Times Daily | 02 Feb 2020 |
| Crafty person? | New York Times | 27 Dec 2018 |
| It helps keep the machinery running | ||
| Tooth coating? | ||
| *Garage lubricant | ||
| *Garage lubricant |