After school (she's phoning it in at this point, but to placate Charlie's wish to "not have one of those children who just never shows up to school again one day", she is still showing up to take classes as honestly as she can with perfect recall and all the subjects pentagoned) she wishes up a globe sort of like Stella's, only it's small enough to keep in her bedroom (she can zoom in) and it shows demons and local magic instead of ingots and coins, and she can narrow down the pins from many kinds of demons to just one. Where might she find a Sessiaki here on Earth, pray tell, magic globe?
"I think," he says eventually, "that I would be all right with you reading my mind as long as my active authorization was required."
"Interesting question," he says. "The information transfer protocol is properly my domain, but you are the one who must put up with the format. I wonder if we can do it in pieces?"
"Is there some reason to use a nonstandard format? The visual channel thing? 'Three out of four mindreading Bells recommend' -" she adds in a parody of a commercial.
"The enchantress version actually sounds really sensorily neat and I wouldn't do that staring into space thing either because it's not literally visual, but I doubt it's quite as easily personalized, and since you want it controlled on your end," she shrugs and trails off. "Although maybe it could be, if you did the enchantment. Enchantments are like servants, it'd try to be convenient for you."
"I don't think I'd prefer an enchantment," he says consideringly. "But perhaps I don't know enough about them."
"These are the ones I brought to school - and therefore ran a moderate risk of having stolen - plus some older ones I kept home," she murmurs into his shoulder, "that aren't so - fresh, but are still pretty representative of how it worked. To start with." As an afterthought, she wishes restrictions onto them so they'll blur into illegibility if anyone but her or Sherlock tries to look at them, including Jarvis's cameras. "It's all in note-to-self format so if something doesn't make a lick of sense and you want it to you can ask me."