Like the choker? That'll work for me, too.
Well, it automatically already has a nonlethal unarmed strike. But we could mention that under constrict. Sure, sounds interesting.
Looks good! Do they need more special attacks?
No, let's move on. DR 10 would seem about right given the HD.
I can agree with the skills and feats, including IUS(B).
Did we cover the other red text yet?