hi michael,
i was looking at one of my binangons and i remember this unusual feature:
this binangon:
http://www.arscives.com/historysteel...s1/202-rz6.jpg
at first glance, it could be assumed that a hugh rasp file (at least 20" by 2.5")was used as blank to make the blade. granted it was, but why not grind it until there's no sign that it was a rasp file? or was it left there on purpose? remember; bakunawa = dragon
here's a motif from a recent kris that i haven't cleaned yet: