Throwing stars are not designed to kill. In reality they were meant as distractions. Often the users of throwing stars would allow the blade to rust. This would kill the target with a tetanus infection.
i was thinking the same thing as chris. not to mention even if it could cut through is the little point on the star long enough to be effective? i'd try to use something to stun so i can flee, like maybe a good slingshot or even a nice throw with a rock. but that's just me.
no double barrol shotgun, most of them are break open and they only hold 2 shells, you need a home defense short barrel. remington makes a nice 870 express, its the police and military police issue. 5 round pump
What's wrong with a breech-loading shotgun? If that's what she has, then that's what she needs to use instead of going on some random quest for a dream weapon. A breech-loading double barreled shotgun will work just fine for the people who aren't trying to wage a one-man war on the zombies.