First-aid supplies? Fresh water? Canned food? Sure, they're all nice things to have when the world as we know it comes to an end and zombies walk the Earth. But what you really need to survive the apocalypse is knives. Lots and lots of knives.
Somewhere in between wooden stakes and Blade's katanas, the art of vampire hunting reached its apex with this ivory kit. Particularly its spring-loaded pistol that was also a dagger. And also also a gun. Buffy, eat your heart out.