| Clue | Source | Date |
|---|---|---|
| They sharpen colours on paintings | The Times Sunday Cryptic | 20 Jul 2025 |
| Lubricated sharpeners for metal tools | The Times Specialist Sunday | 28 Apr 2024 |
| Tool sharpeners | Wall Street Journal | 23 Apr 2024 |
| Artists' medium with colours which can sharpen with a little effort | ||
| Tool sharpeners | ||
| Certain sharpeners | ||
| Sharpening devices. |