The meaning of hairpin in dream | Dream Interpretation
A deadly weapon of Japanese women against their husbands in bed.
The hairpin represents order and vanity, as does all jewelry. See also Hair.
Dreams of a hairpin symbolize that you are trying to hold yourself in place, you are pulling yourself together. Perhaps you are venting out having a loss of patience, as in a hairpin trigger.
For a man to dream of having a hairpin denotes a discovery that will bring him money.