Well, if the owner of that uniform did not come with it, then it must have come in similarly to the way we did.

[This is sound reasoning, right? Although as he keeps talking in answer to Mika, he does hesitate slightly. Should they really be experimenting with sending humans through whatever magical process that the clothes seem to go through?]

I'm assuming there must be some kind of opening that pulls in items and delivers them through these machines--ah, although, even if you were to travel through it, do you think you might shrink along the way? They seem to be very arbitrary about which items come back and where.