I keep a machete in with my spare tire, in case there's ever a zombie apocalypse when we're away from home and I need to defend my kids or go kill a deer for everyone to eat.
Actually, for reals I have a 72 hour kit with food and medical stuff in my car. I packed food for two adults, the kids, and one of those huge beef dog food chubs in case there's a dog with me. Then I've got drinking water, a blanket, flashlight, lighter, can opener, etc.
And a machete. lol