Artist's commentary
Apparently, you shouldn't spin them just to spin them, though.
Incidentally, I didn't really do this, okay? :-) You shouldn't, because they'll break.
ただ回すだけじゃだめらしいんですけどねー。
ちなみに、ホントはこんなことしてませんよ?(笑)
壊れるからやっちゃだめです。
Apparently, you shouldn't spin them just to spin them, though.
Incidentally, I didn't really do this, okay? :-) You shouldn't, because they'll break.