| Clue | Source | Date |
|---|---|---|
| *Shingle installer’s need | Wall Street Journal | 12 Apr 2021 |
| Shingle securer | USA Today | 04 Feb 2019 |
| Shingle securer | ||
| Shingle fastener | USA Today | 24 Aug 2018 |
| Shingle fastener | ||
| Shingle securer | LA Times Daily | 26 Apr 2016 |
| Shingle fastener | ||
| Shingle securer | ||
| Shingle-layer's fastener | ||
| Shingle fastener | ||
| Shingle fastener |