1. That's a good question!!! Well, the person needs to be physically close to him, but it happens without him meaning to or realizing it, so really HOW they work is the big question. Hatter doesn't really know if Wonderland or Fae's Woods is the reality. You are fully aware of everything, but are sort of day dream, or fall asleep as it's happening.
2. Hahaha I do love him the miserable sod. Let's do something!!! :) How shall we have them meet?