| Clue | Source | Date |
|---|---|---|
| Like most lightbulbs | Universal | 19 Jun 2022 |
| Install, as a light bulb | New York Times | 14 Aug 2018 |
| Like most light bulbs | New York Times | 08 Jul 2018 |
| Attach to a light bulb socket | The Washington Post | 11 Jun 2018 |
| Attach to a light bulb socket | LA Times Daily | 11 Jun 2018 |
| Attach to a light bulb socket | ||
| Install, as a light bulb | ||
| Like most light bulbs | ||
| Twist to tighten | ||
| Like most light bulbs | ||
| Plant the bulbs? |