Get your rusty piece of furniture and put on your gloves. Next, tear a square of aluminum foil and dunk it in the water until it's completely soaked. And now rub the rust away. It will take some scrubbing, but you will see the rust coming off. And as an additional bonus, the aluminum foil polishes the metal for you.
See super easy and free. Now you can have no fear in picking up that rusty garage sale treasure.