A familiar voice, at least.

"Yes, it's Anwei." She patted with her hands at the side of the box in front of her face - inches away, impossible to see - and felt fabric over something else - probably wood. She knocked, and the knock was muffled as though a heavy weight was on the other side.

Maybe it was on all the sides. That wasn't a good thought.

"Is this some sort of a joke?" she asked.