I seriously dougt it. All trails have a warning with what to do and what not to do if you encounter a Bear. One of the things always said, "Keep your back pack in place, it protects your back and neck". All the litrature and Bear breefings also say the same thing. She did not learn. Being a professor at UAF she was exposed to this information at the University, she did not learn. Bet she would do it again, it worked once, it should work next time too.