| Clue | Source | Date |
|---|---|---|
| Swivel, like most home entrances | Wall Street Journal | 11 Feb 2023 |
| What screen doors usually don’t do | New York Times | 04 Oct 2021 |
| What exterior doors typically do | New York Times | 15 Jul 2016 |
| What exterior doors typically do | ||
| Swivel like an apartment door | ||
| Some doors do it | ||
| What some doors do. |