Some days ago, Mr. Shawn Tribe wrote an interesting post about the ceremony of the "Faro" in the Ambrosian Rite.
Some comments seemed to assume that this ancient custom wasn't in force any longer, which is not correct.
Here's a video of the ceremony as it was performed last year on the feast of St. Thecla, Titular Saint of the Parish attached to the Metropolitan Cathedral of Milan, in the Cathedral itself (better known as the Duomo).