Ketchup and mustard.

Delicious on a hot dog. Horrible on your shirt. Removing picnic stains promptly is the first remedy. Remove as much mustard or ketchup from the fabric, then rinse in cold water and blot with white vinegar. Pretreat with stain remover or diluted laundry detergent before laundering.  Or bring the whole mess to us. We’re ready to remove the evidence.