| Clue | Source | Date |
|---|---|---|
| Embryonic membranes | The Telegraph Quick | 11 Jan 2019 |
| Embryonic membranes | LA Times Daily | 20 Sep 2018 |
| Embryonic membranes | The Washington Post | 20 Sep 2018 |
| Embryonic membranes | ||
| Fetal membranes | Wall Street Journal | 17 Nov 2016 |
| Women's hat linings | ||
| Netted linings | ||
| Hats from nets | ||
| Prenatal membranes | ||
| Women's hats or nets | ||
| Head-covering membranes | ||
| Plywood shapers. |