Here is another picture of the cope I found on the web:
And now we have an example of a rather rare piece of liturgical vesture: the pannisellus, velum or sudarium. This is a light piece of cloth (pannus) attached to the nodus of the crosier beneath the crook which the bishop originally used to wipe of the sweat (sudor) and which also protects the metal of the crosier from the sweat of the bishop's hand. This pannisellus made from cotton crepe is extraordinarily richly decorated in pearl embroidery; it is from the first half of the 14th century.
Another example of the pannisellus, also from Halberstadt, can be seen in the following picture to the left,
While the pannisellus originally was worn by bishops and abbots alike, it is today most often encountered in the coats of arms of abbots. However, some abbots still actually wear it, as for instance the abbot of Heiligenkreuz in Austria: