I don’t know any but you might try asking here: !ftm@lemmy.blahaj.zone as someone there will likely have more experience with packers than I do.

https://www.pointofpride.org/free-femme-shapewear

If you can’t afford to buy one, this organization will send you a free gaff. They ship internationally, it just may take awhile to get to you (they are currently fulfilling requests that were put in around 4 months ago).