shrunken heads - how did they do it?

Factual Questions
1

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?

2

How are shrunken heads made? by Cecil Adams

3

Skin + water = “shrinkage”.

4

cold water