Just a rock or a knife, if you wear the animal down enough. You’re probably not biting through the hide though.

Have you looked into Ubiquiti equipment? They’re generally pretty solid, and might have everything you need.

I’ve always wondered, does the ear experience additional, unheard “loudness” when using ANC?

Absolutely! Biometrics are at best a username, not a password.

There’s actually a tricky spot for folks who get certain social services which are tied to income. A small raise can bump you out of eligibility for things like medicaid and food stamps, and thus can in fact result in higher expenses, less money in your pocket, and a lower quality of life.