Board Thread:WARNING ALL USERS False Info\Spoilers/@comment-50.101.212.27-20140121182429/@comment-11260666-20140122173136

It's probably an editing problem. The same thing happened in season 2 with Erica when she hit Stiles with a car part. One second it was this bulky metal thing, the next second it was something else, then it went back to the bulky metal thing.