Islamic Interpretation of Dreams (Ibn-i Sirin):
A door knocker in a dream represents the door attendant, the announcer, a messenger, a warning guard, a security system or a guard dog.
Ifthe knocker is made ofgold or silver in the dream, it represents honor and prosperity of the people of such a house.
Ifone sees two door knockers at his door in a dream, it means a debt he owes to two people.
If one pulls out the door knocker, and if it brakes in his hand in the dream, it means that he follows a path of innovation.
(Also see Club)