... I have only seen in Spain so far:
I don't know the deeper meaning or rationale behind this. Maybe one of the trusted readers has some information?
The bishop in the photos is Pablo Barrachina Estevan. He was bishop of Orihuela-Alicante from 1954 to 1989 and only died last year at the age of 96.
This last photo doesn't show the wrap, but I thought it would be nice to see the good old ferraiolone in its splendor, too