Indonesia is an archipelago with lots of diverse cultures, traditions, and languages. There are some unique traditions which are still conducted until now, but some are not anymore. One of unique and extreme tradition is belong to Dani Tribe in Papua. It was a cutting finger off ritual. This ritual is not held anymore.
The reason they cut their fingers off are that fingers represent harmony, togetherness, and the strength of family. Fingers work cooperatively one another like family. So that, when one family member has gone, they cut their fingers off. This cutting ritual usually was done using sharp knife, ax, or tie the fingers for long period until it cut off by itself. This ritual usually conducted by women, but sometimes by men too.
But, this ritual is not conducted anymore. We just know from the elder people with cut off on their fingers. This is because of education and religion which have reached their territory. Besides cutting fingers off ritual, they also have tradition covering their body with mud for certain period. According to them, someone who has died come back again to the nature and human is made of mud.
Read also Burning Stone Ritual