Blot the stain with a clean cloth
Rinse the stained area with cold water
Apply lemon juice and salt to the stain
Let it sit in direct sunlight for a short time
Rinse thoroughly
Repeat if needed
Use white vinegar on the stain if lemon juice does not work
Wash the garment with laundry detergent
Check the stain before drying
Avoid using heat until the stain is gone
Use a rust stain remover made for fabrics if necessary
Follow the care label on the clothing
Test any treatment on a hidden area first