From Fallen London Wiki
Soak one mandrake root in solution herbs, formaldehyde, in order to blunt its shriek. Leave in cage with songbird, nine weeks. Serve.
See here for a list of how to obtain this item, or click to show them.
It can be purchased from Nassos Zoologicals in the Bazaar and sold to the Bazaar:
Effects when equipped in Companion slot:
- Persuasive +2
See here for a list of pages which require this item, or click to show them.