Montauk mask progress and questions

Hi you guys!
I just wanted to say how awesome this community is and how much you guys have helped and inspired me!
I wouldn't have made it this far without your guy's informative posts!

I just wanted to do a little progress thingy to show you guys how my mask is coming along and ask a couple of questions.
The mask i'm working on is of my main fursona, Montauk, a wolf/anteater mix.
Progress is quick, and i've done so much in the past couple of days.
Heads up, this fursona is a translation of the dissociation I experience from time to time, and that is why he has such a crazy design!





As you can tell he's not done yet. There's just a couple more things I still have to do before I can fur, like adding the tongue, adding lips, ears, and adding some foam to shape the head a bit more.


I hope that after that he will start to look a bit more like his ref which is below :D



And now for my question. Now that I have the jawset and eyelids installed, I find that the head is just a tad to heavy. This is evident when I open the mouth; the whole head will slide a bit down my face. If I tightened the elastic in the back, would that fix this small issue?

BTW, this is my first resin mask, and the second fursuit head I have ever made. I did not make the base; credit goes to Yeep! on FA for making such an awesome base for me to work with!
https://www.furaffinity.net/user/yeep/


And if you guys have any tips on symmetry or anything else, please let me know!