I believe that most, if not all, regular followers of threads and posts to this Forum for discussion will understand that it is totally impossible to gain any worthwhile understanding of the keris in the absence of an in depth understanding of the cultures and societies where the keris is found.
Once we begin to involve ourselves in the study of these cultures and societies we find that a whole new world, and world-view opens before us.
Every year in Bali, Hari Nyepi is celebrated:-
https://en.wikipedia.org/wiki/Nyepi
Part of the Hari Nyepi celebration is the involvement of the Ogoh-Ogoh figures, one of these figures is shown below.
Here is a link to a 6 minute video that you may find interesting:-
https://aeon.co/videos/imposing-demo...ication-ritual