| Clue | Source | Date |
|---|---|---|
| Pair of things sold together, in commercialese | New York Times | 06 Apr 2019 |
| Pair of things sold together, in commercialese | ||
| Pratt & Whitney helicopter engine with two power sections | LA Times Daily | 15 Jul 2018 |
| Pratt & Whitney helicopter engine with two power sections | The Washington Post | 15 Jul 2018 |
| Pratt & Whitney helicopter engine with two power sections | ||
| Promo container that's a twofer |