| Clue | Source | Date |
|---|---|---|
| Hardened skin areas (8) | ||
| Ring employers right away for soft tissues | ||
| Rough patches for pair of students trapped in lawsuits | ||
| Hard areas of skin, caused by pressure or friction | Irish Times Simplex | 06 Jul 2016 |
| Areas of hardened skin | The Telegraph General Knowledge | 19 Jul 2015 |
| Bumps on laborers' hands | ||
| Visible proof of hard work | ||
| Signs of hard work |