I always have at least three knives on me.
Plus a web cutter on SUV door.
Plus 3 other blades in SUV.
Plus a 'Truckman' axe for cutting open car/truck roofs.
Plus a C/S 'shovel'.
I truly believe that if your prepared for an emergency,it is NOT one if you have the tools to solve it.
And yes a first aid kit and other gear is also along,this was about blades.