| Clue | Source | Date |
|---|---|---|
| Keeps greasing that squeaky wheel? | New York Times | 05 Jul 2025 |
| Makes even slicker | Wall Street Journal | 05 Mar 2025 |
| Adds more lubricant to | Newsday | 21 Nov 2024 |
| Lubricates again | ||
| Adds more lubricant to | New York Times | 27 Sep 2020 |
| Lubes again | Premier Sunday | 05 Jul 2020 |
| Adds more lubricant | Newsday | 18 Jan 2018 |
| Adds more lubricant | ||
| Lubes anew | ||
| Lubricates more thoroughly |