From
Clerical Attire, Vesture,Titles, and Precedence For Deacons, Hierodeacons, Protodeacons and Archdeacons According to the Byzantine Tradition:
Analavos: Worn by the megaloschemoi, it is a piece of cloth about 14 to 16 inches in width worn over the inner rason. It reaches to about mid-calf both in front and behind and appears much like the Western scapular. It is decorated with the instruments of the passion of Christ.