Or the maker have been in too many crab festivals lol
Naah, I think they are for the communication - well at first it would've been considered that it's cool, but then they invented a true purpose to them. I mean all those clicks and stuff - they can send pretty clear messages by mandibeles, for example spreading them and roar like hell. Or just be thinking and click them a bit together.
I also think this kinda wide facial expression is good for yautjas - I mean think of their natural sight! It would be hard to see if someone's lifting his eyebrow. The mandibles makes it easier for them to see the others expressions.
Aaaand, I'm thinking this again too far lol
-The Night Blood-