It depends on the body language too with HUFFING.
If she's clawing away from you, and you're having to squeeze chase her. Probably a warning hiss or a very GRUMPY huff.
With my girl, when her legs get going, it isn't trying to get away. She tries to find where my arm or support, then settles completely. She also turns her head into my arm and burrows in, even with little puffs, but her body is always relaxed and she never bites or shows any aggression of any kind. The huffs are more like sighs here. That said, wthe body screams discomfort, I take the huff sounds more like little hisses. When Gidge is relaxed and steady, I take the huffs as her expressing herself.
I am in NO WAY an expert on Blue Tongues, and I won't pretend I am. However, I do feel that with any animal, expressing trust is very important. If you're bundled up and afraid, you subconsciously give off that energy. Horses are a very obvious reader of these energies. Lizards, perhaps more subtle. Still, if you are anxious and try to handle your bub, its going to give her more reason to be anxious. It may translate into a faster pulse, or subtly tighter grip. Or subtle shakes from you. If the foundation of a home is shaking, everyone is on edge. Your hands and body become the foundation when handling. Blue Tongues as they age are not huge climbers, not like a bearded Dragon for example, and are quite heavy. They enjoy stability. If you're not steady, your girl might be feeling insecure too. You two might be feeding each other's anxiety and leading to more.
I also use my whole body. I am a small handed individual, so when I use just my hands my bluey has huge portions of her body with no support. I've read that makes her feel like she could fall, and her reactions support that. I actually lay down and use my torso to let her sit on, or lay on the ground beside her and offer food before she climbs up. Of course, with a skittish liz this may not be good, but if you have a closed space you can do that it may work for you. Letting your girl explore for an hour or two and just laying down, closer to her level instead of a towering giant. Become the big lump that offers all things yummy. That was one of the biggest stages of bonding for me with my girl, though I never faced an obstacle like a neglected, potentially abused bub. Also my girl is an Eastern Blue from Australia.
I never even thought to cover myself in anything protective with Gidge, even when I was handling her for the first times. So I did get little claw marks on me, but it also left me skin to scale. In a sense, I felt that I could feel her better this way. I could feel if any muscles were tensing that I couldn't see, which let me predict her fidgeting and get to know when she settled. Same may be said of her towards me. She felt when her resting place was unstable, and if my pulse went crazy.
Speaking from experiencing a bluey bite. Endless cloth won't help too much. It'll help a little, but I think you may still end up bruised as all heck. I've been bitten twice ((Both my fault. Never stick your finger in a Bluey's mouth or food))
2nd time broke skin and left me bruised for 2 weeks. That was from a reaction clamp instead of intentional chomp. If you get bitten, its going to be sore. Though, interacting with your bub makes the risk worth the huge reward.
I hope some of this helps, even if its just food for thought. I know you can do it and help your girl out, just getting her out of a bad home is already the biggest step you could take
