Possible Clues:

• Clam, for one
• Half bite very rotten veal and oyster?
• Eg, oyster or mussel
• Mollusc with two shells
• It¿s key I¿ve got around Valerie for chowder recipe
• Eg, mussel
• Cockle or mussel
• Shellfish with hinged double shell
• Clam or oyster
• Shellfish with a hinged double shell