To see or use a knocker in your dream, symbolizes opportunities and welcomed expectations. You may be seeking for assistance and spiritual guidance. On a negative note, to see a knocker in your dream signifies repressed thoughts. death, and dreaded expectations.
Consider also a knocker as a sexual innuendo referring to a woman*s breasts.
To dream of using a knocker, foretells you will be forced to ask aid and counsel of others.