| Clue | Source | Date |
|---|---|---|
| Tea ceremony surfaces | LA Times Daily | 21 Jun 2025 |
| Nancy's friends going on to make lace floor coverings | ||
| Straw mats | New York Times | 28 Jun 2023 |
| Japanese floor coverings | New York Times | 16 May 2019 |
| Japanese floor coverings | ||
| Japanese straw mats | LA Times Daily | 03 Jul 2018 |
| Japanese straw mats | The Washington Post | 03 Jul 2018 |
| Japanese straw mats | ||
| Straw mats | New York Times | 05 Jul 2015 |
| Japanese floor coverings | USA Today | 31 Mar 2015 |
| Some judo mats | ||
| Straw mats | ||
| Japanese floor coverings | ||
| Rice straw mats | ||
| Traditional straw mats | ||
| Traditional straw mats | ||
| Tea ceremony mats | ||
| Tea ceremony mats | ||
| Judo surfaces | ||
| Washitsu flooring | ||
| Japanese mats | ||
| Japanese mats | ||
| Japanese mats | ||
| Straw mats | ||
| Japanese mats | ||
| Japanese floor coverings | ||
| Japanese straw mats |