Here is another related style of decoration and architecture on an ancient Indian spiked Vajra Mushti
The quilons shown are dragon form often seen in Northern Indian form (Afghan Pulour) and other swords including the Kastane.
The Portuguese chronicler Fernão Nunes records the practice of vajra-musti in the southern Vijayanagara Empire. Vajra musti
is the martial arts form without the long spikes.
For further detail see https://en.wikipedia.org/wiki/Vajra-mushti