Sift flour, 1 teaspoon salt, and 1 pinch sugar together in a bowl. Cut in shortening with 2 knives or a pastry blender until the mixture resembles coarse crumbs. Add cold water, 1 tablespoon at a time, mixing until dough sticks together. Shape dough into 2 equal balls. Roll out crusts to fit a 9-inch pie pan. Place bottom crust in pie pan.