User blog comment:ChukleBrotherz/Heading to RTX and questions for the RWBY Panel/@comment-25396609-20150806192228/@comment-25396609-20150806235058

mag strips could be a security device, to tell if they're realt or something.

I personally imagine them as being like high tech plastic rupees, but hard to tell for sure. which is why i'm curious about the specifics. one of those things thta would make it easier for fnfiction authors.