[liberationtech] dark mail alliance

[adrelanos]

phreedom at yandex.ru:
> [...Tor...]
> Both client and service can opt to drop their half of the circuit, which turns 
> it into a more or less direct tcp connection, with nat traversal capabilities.

Is dropping half of the circuit really already implemented for client
and for server?

There is Tor2webMode for connecting non-anonymously to hidden services.
But which option hidden services could use to drop half of their circuit?