Heiji sighed because there was no rule against sighing, ZERO!!, then tapped once on the wall. Wow awesome it was like he was on Ghost Adventures, that was his life now. Soon people would be registering cold spots and screaming while bumbling around in night vision goggles.

But what could he do now? He couldn't talk to Jake, and Jake couldn't see him gesturing. Jake probably couldn't read Braille, either. He hesitated for a moment, trying to decide if he should go get someone else to help Jake, or if he should wait to see if Jake needed anything else.