Iban Parang with brass ferrule

[Maurice]

Originally Posted by asomotif

The ones above the elbow indeed.

I think it is the same construction as the bracelets worn by this dajak.

My guess would be that 1 bracelet above the elbows are in fact 3 bracelets worn next to eachother.

[Sajen]

The white ones look like they are from shell.

[asomotif]

The white ones look like they are from shell.

Yep, the white parts will be shell.
And probably Maurice is right and above and below are separate bracelets made form rattan or something similar.