Think you’re looking for something like this - https://www.amazon.com/Tesla-Charger-Adapter-Flange-Adapter%EF%BC%8CNot/dp/B083PRRKRN
Just a 3D printed thing that uses the J1772 handle lock.
You should be able to,find it cheaper - around $8 seems to be the going rate.
These are your friends - https://www.amazon.com/Tesla-Charger-Adapter-Flange-Adapter%EF%BC%8CNot/dp/B083PRRKRN
Of course, I’m still holding out hope for 350V instant discharge mode.