To dream about a keychain symbolizes opportunities, secrets, or responsibilities. You may be locking away your own inner feelings and emotions.
To dream of buying or finding a keychain is lucky, and means you may soon have a breakthrough in a real-life situation.
If you dream that you can’t find your keychain, you might have accidentally hurt someone’s feelings.
The dream symbol you are looking for is absolutely there, try searching the symbol one by one.
Dream Interpretation
What is the dream?
Islamic Dream Interpretation
Common Dreams