i dunno. I am thinking maybe something that breaks up grease? Like "go-jo", 'lava" or "fast orange"....those hand cleaning lotion type things that mechanics use to clean their hands without water? maybe you could rub some of that in. i dunno what it would do to the fabric? maybe a dry cleaner would have good ideas? I would talk to a dry cleaner about wther or noth those cleaners would harm the fabric before i tried.
My sil used to use zout on her husbands grease stains,he worked on cars all the time.Good luck,I know how you feel I got hair removal wax on a pair of my track pants.
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