[The smile's a bit more sincere when he raises a hand to smack Wally's finger and get a hold of in at the same time.]

Hah. Hypnosis is something bats are supposed to learn about at some point, like meditation. But I never really got into it.

[He smirks, slow and lazy, not at all like his usual smirk.] You could ask Tim to help you out with it. I'm sure he knows plenty and that he'd go along if he knew why you wanted to learn about this.