Hãn ???? do not understand your question (if it was a question)
but I can try to understand / respond if you explain a little better.
remembering that, I am Brazilian and I am basic level in English (I’m actually trying to learn alone, it is much more difficult) then care with words and slang, Until next time and thanks for sending me a question.
No, I think it means to be a reflection of Kagari, who initially does not walk, she uses a type of skates in place of legs.
Maybe it does not make any sense to you, but I see the size of them as an alternative reality or something, but not to finalize it has no legs, she has skates
NOTE: using google translator to answer you, sorry if you leave something wrong, is that the translator is not good.