They're just connected through her dress, like the string connecting a child's mittens through the coat sleeves. Except hers use invisible fishing line instead of yarn. Or something.
But, see, if they were attached to the other clothes, they'd pull the clothes to the side like a regular sleeve. If they were attached to each other, they wouldn't "normalize" when you let go of them.
...why are we talking about this? xD (I love Danbooru...)
Enlong said: What would happen... if you grabbed both... and tried to pull them off their respective arms at the same time?
There is a theory which states that if ever anyone does what you suggest then this Universe will instantly disappear and be replaced by something even more bizarre and inexplicable.
There is another theory which states that this has already happened.
