Begin by moistening the stained area with cool water. Apply meat tenderizer to the stain. The tenderizer will help to loosen the “clot” of the dried blood so that it can be removed. Be sure it is moist, but not soaked. Allow it to set for a few minutes, then begin blotting with clean, soft cloths. Turn the cloth frequently so that you are always working with a clean surface. Once the stain is removed, rinse thoroughly and dry immediately to avoid a water mark.
If the stain remains, mix one teaspoon of ammonia with one cup of water. Blot the mixture onto the stain with a clean cloth. Remove it by blotting with a second clean cloth. Once the stain is removed, wash as normal according to label to remove any residue. If the stain is persistent, it may take a stronger cleaning product. Deciding to use peroxide, which is effective in removing stains, but can also bleach some products, is risky; be sure to test it first. Mix one part peroxide with 10 parts water. Use a soft cloth to blot the mixture onto the stain. Once the stain is removed, rinse and launder as usual. Until you are sure the stain is removed, allow the piece to air dry. Either hang it or lay it flat on a dry towel.
Or do what I do: Take it to a competent dry cleaner.
