How it was done in olden times and is still maintained by a few radicals.
Would that secular novus ordo seminaries should recover some of that glorious tradition!
To elaborate on the Magisterium of the Catholic Church is our mission on Plinthos (Gk. "brick"); and to do so anonymously, so that, like any brick in the wall, we might do our little part in the strength of the structure of humanity almost unnoticed.