It would be whatever her own subconscious was most comfortable with, so if a rope bothered her it wasn't likely to be that. Subaru settled himself a little more comfortably, keeping his bad side from taking too much weight as he leaned against the headboard. He nodded once more to Miku, then closed his eyes and started speaking softly, "It can be difficult to find that quiet place within your mind, but the distractions here should be minimal. Eventually you should be able to do it with your eyes open and in the middle of a battle, but for this first try you should close your eyes."