shrunken heads - how did they do it?

Reading this post , a link was provided to a shrunken head being auctioned by Christie’s, and in there it was postulated it was 5 inches in height. That’s a small head :eek: How the h… did they do it? Remove the skull and stuff the skin with something else?

How are shrunken heads made? by Cecil Adams

Skin + water = “shrinkage”.

cold water