I have to take off every bit of jewelry, rings, earrings, necklace, and can't even wear my glasses or Clyde removes them -- or tries, OUCH.
Sounds to me like maybe your birdy is behaving like babies do. Puppies, kittens, human babies, they all want to put everything in their mouths. Maybe she's just tasting her world. Still hurts, though.

Have you tried rocking her back and forth just a little when she bites, so she has to shift her weight to keep her balance? That helps my husband with Clyde, who loves to chew on Daddy. Hubby has adopted what he calls a "pirate walk" as if he's on the deck of a ship, and Clyde can't bite when he's on his shoulder because he's busy rocking.

When Clyde's on my hand and decides to bite me, I tip my hand a little and he stops. At the same time I say "don't bite Mommy. That's not nice." I don't think he cares what's nice, but I hope eventually he'll associate "don't bite Mommy" with the tipping motion. AND the stopping.
You do have to remember their beak is an extra hand, if you will, and they're used to using them for climbing and grasping and everything else. She might not mean to bite. On the other hand, they're also mean little stinkers, so maybe she does.