a strange hulu detail

[BluErf]

That has been explained by Alan as rather unlikely, but what Shahrial and I have mentioned is just to share what may be an acceptable practice in the Malay world. Not to say that in our part of the World, we simply glue the special piece of wood to something, but it is the significance of the wood, rather than the way it is mounted, or on what it is mounted, that counts, I guess.