[He folds the cloth over to let the creature have at, and while it reaches with gentle paws to bring it closer for a sniff, Akechi doesn't let go to let it have it. Instead, tentatively, he brings his other hand to gently pat the top of its head, as if expecting it to dart away if he moves too quickly.]

I can't even say it's a product of our cognition, because changes aren't instantaneous -- if we initially assumed that we were unable to see due to the darkness, I would expect that to persist without the addition of light.

[Finally, he does fold over the arm warmer, but hesitates before bringing it to his cheek.]

My apologies, I know you offered, but I would hate to stain your clothing. It isn't as though things are easy to replace, here.