| Clue | Source | Date |
|---|---|---|
| Cutting-edge feature? (TWO OATHS anagram) (8) | ||
| Part of a jagged blade | ||
| Mountain range in Idaho | Wall Street Journal | 15 Nov 2023 |
| Blade serration | The Times Concise | 19 Dec 2021 |
| Sound horn entering Wash – turbulent wave pattern | ||
| . Observed as well most of the cutting edge | ||
| Sort of waveform understood by Tusk? | ||
| Cutting-edge feature | ||
| Serration | ||
| Having serrations | ||
| Part of a certain cutting blade | ||
| Serrate | ||
| Mountain range in Idaho. | ||
| Serrate. |