Turn the garment inside out
Rinse the stained area with cold water
Mix equal parts white vinegar and water
Soak the stain for 30 minutes
Gently rub the fabric together
Apply liquid laundry detergent directly to the stain
Let it sit for 10 to 15 minutes
Sprinkle baking soda over the area if needed
Scrub lightly with a soft brush
Wash the garment in the hottest water safe for the fabric
Check the stain before drying
Repeat the treatment if the stain remains
Avoid putting the item in the dryer until the stain is gone