To see many small tacks indicates minor problems that will be very easy to solve. If you drive the tack, it also means that you will overcome obstacles. If you hurt your hand while driving the tack, then it means you will not have an ability to control the mess that is going on around you.
Dream dictionary: tacks dream meanings
To dream of the tacks, denotes to irritation you are suffering at the moment. Perhaps there is someone in your life that annoys you a lot. If you were driving the tack, then it shows your obtainments through hard work you have done.
…Dreaming of tacks, means to you many vacations and quarrels. For a woman to drive one, foretells she will master unpleasant rivalry. If she mashes her finger while driving it, she will be distressed over unpleasant tasks…