You little ripper

Recognise this thing? :D And something else looks familiar too... oh that's right, I have shown this dress here before already. But there has been a small but significant alteration... can you spot it? No? I wore this dress for the first time on the day I photographed it for my pattern review with a little camisole on underneath; and all was hunky dory. Didn't notice anything amiss. Then the weather warmed up more, and the second time I wore it out without any insulating, protective layer on underneath... and woooaaatch-y! Those tough-guy industrial-strength brass zipper teeth might look super cool but they turn nasty when scratching up against soft and tender...