[He does feel it, yet it's such an innocent sensation he doesn't immediately recognize it as foreign to himself.]

That's probably a good idea. We should be cautious of casually making contact with anything we don't recognize by this point, huh? Thanks for the reminder, haha.

[This is entirely genuine of a statement, though, no sarcasm in sight even though Akechi himself has just admitted to having handled one of them intentionally. Perhaps even more strangely, he adds, then:]

I could test out at least one more for you, and then you'd have about half the possibilities covered?