| Clue | Source | Date |
|---|---|---|
| Core-sculpting belt | New York Times | 30 Nov 2025 |
| It can help in getting a six-pack | Wall Street Journal | 25 Jun 2025 |
| Core-sculpting apparatus | LA Times Daily | 22 Jun 2023 |
| Device that builds six-packs? | LA Times Daily | 07 Jun 2018 |
| Device that builds six-packs? | The Washington Post | 07 Jun 2018 |
| Device that builds six-packs? | ||
| Device for crunches | The Washington Post | 22 Dec 2015 |
| Bit of exercise room equipment | ||
| Bit of exercise room equipment |