Taser: The same could be said for the Taser, which you can expect to see a lot of in a post-apocalyptic hellscape, at least as long as they can stay juiced up.
Survival Knife: You need the knife, of course, but this will come with thread, needles, matches and all sorts of goodies that can be the difference between life or death.
'I run a tight ship here. All of my cake makers have to know the difference between what a customer is saying and what they want on their cake. Do you think you can handle that?'