| Clue | Source | Date |
|---|---|---|
| It's good for smoothing things over | Wall Street Journal | 24 Jun 2023 |
| Floor refinisher's tool | Newsday | 18 Feb 2022 |
| Motorized smoothing tool | Universal | 11 May 2019 |
| Motorized smoothing tool | ||
| THIS IS NOT A DRILL | Newsday | 11 May 2018 |
| Wood-finishing tool | LA Times Daily | 20 Sep 2016 |
| Wood-finishing tool | ||
| Sawdust producer | LA Times Daily | 24 Oct 2015 |
| Sawdust producer | ||
| One endlessly smoothing things over? | ||
| Wood-shop tool | ||
| Wood finishing tool | ||
| Wood finishing tool | ||
| Electric wood-smoothing tool | ||
| Workshop smoother |