abzzzzzz06 recently reported on two encounters in TST.
The reports can be found here:
https://forum.sex141.com/eforum/ ... &extra=page%3D1
and here:
https://forum.sex141.com/eforum/ ... amp;extra=page%3D1.
He got FS/HJ. I'm sure the service providers are experienced peggers by reason of their niche, so they should be able to accommodate your request.
Good luck!