If you give a closer look in to aanmula kannadi ( aranmula metal mirror) sealing you can see three variants, You can see they belongs to three categories, let’s see which all they and their details
Wax Ring
This is the default sealing of aranmula kannadi. basically wax is using to fix the mirror part with the frame, so in the wax sealed mirror you can see the wax with red color in the frame.
Metal Ring
In this a metal ring will be putting over the wax, in between the mirror and the frame. see the mirror you can see the metal ring in the photo.
Stone Ring
This kind of sealing, you can see a stone ring, in the place of the metal ring. stones looks beautiful surrounding the peripheral of the mirror.
WHICH ONE IS THE BEST ?
There is nothing like that, its all depends on your taste and how personally you like the type. some people like wax, some others like metal ring, while some others like stone ring. that’s nothing but a cosmetic change, in essence the important part is the mirror only.