Greta strained her twisted body, but all she could do was wave her hands a little bit.

She wouldn't have volunteered if she knew the magician was going to close the doors to the cabinet and make her dress disappear.

She wouldn't have volunteered if she knew the magician was going to spin her head until her naked body was twisted like a rope.

And she certainly wouldn't have volunteered if she knew he was going to clamp and chain her nipples to the cabinet to keep her from "unwinding".