`ssh -R` and `ssh -L` are amazing, and I just learned that -L and -R both support unix sockets on either end and also unix socket to tcp socket https://manpages.ubuntu.com/manpages/noble/man1/ssh.1.html#:...

I would presume it's something akin to $(ssh -L /var/run/docker.sock:/tmp/d.sock sh -c 'docker -H unix:///tmp/d.sock save | docker load') type deal