| Clue | Source | Date |
|---|---|---|
| Unreturnable, as a bottle | LA Times Daily | 30 Sep 2018 |
| Unreturnable, as a bottle | The Washington Post | 30 Sep 2018 |
| Unreturnable, as a bottle | ||
| Like old unrecyclable bottles | ||
| Bottle type | ||
| Good news on an apartment rental | ||
| Message on a bottle | ||
| Message on a bottle? |