There are many tactics employed by unscrupulous, irresponsible, heartless bugger out there to steal car. One of such is to throw eggs at your car, in hoping that you will turn on your wipers. Once you do this, you cannot see a thing. The next logical things for you to do is to slow down & stop right ? That's what they are hoping you to do, as they will be waiting for you few meters away. Once you pulled over, they will attack you, taking your take, valuables or even your life.