[Gogar]

+1 have a chat with her about the realities of the situation she is afraid of, and what her best tools might be. Ask her about the idea that she shoots a taser and misses, like Rick said. Stun gun, pepper spray, whistle, air horn, gun. Taser? I dunno about that.

As I'm sure you know, the best weapon is a clear head, which is a difficult place to get to in a stressful situation. Self-defense classes go a long way to get there, though.