| Clue | Source | Date |
|---|---|---|
| Dobermans and mastiffs, traditionally | ||
| A drug problem hounds those working on leads in the security business | Irish Times Crosaire | 02 Jan 2019 |
| Keep an eye on the boxers for safekeeping | Irish Times Crosaire | 04 Jul 2016 |
| Shepherds, sometimes | ||
| Dobermans, often | ||
| Great Pyrenees, for example |