An item it holds cannot be stolen or knocked off.
| Name | Slot |
|---|---|
| Grimer (Normal Form) | Second |
| Muk (Normal Form) | Second |
| Gulpin | Second |
| Swalot | Second |
| Shellos (West Sea Form) | First |
| Shellos (East Sea Form) | First |
| Gastrodon (West Sea Form) | First |
| Gastrodon (East Sea Form) | First |
| Trubbish | Second |
| Accelgor | Second |