There is one important reason the object might catch people’s attention.
The coat hanger has historically been used as a symbol associated with abortion and reproductive-rights activism, particularly as a reference to unsafe abortions performed before legal and safe abortion access was available. (The Indian Express)
However, that does not mean every clothes hanger seen on a car is an abortion-related political statement.
In this particular situation, there is no obvious additional text, political sign, or other context in the photograph connecting the hanger to that symbolism.
4. Could It Be Related to Car Theft?
A coat hanger is also strongly associated with the old movie stereotype of trying to open a locked car. Historically, wire hangers were sometimes used with older vehicle locking mechanisms, although modern vehicles are much more complicated and such methods can cause damage. (Carsmith Midlands Ltd)
But simply seeing a hanger attached to a car doesn’t provide evidence that someone was attempting to steal it.
Is It a Secret Parking Signal?