We hold that the right to bear arms protects instruments that are designed as weapons traditionally or commonly used by law abiding citizens for the lawful purpose of self-defense. In considering whether a weapon is an arm, we look to the historical origins and use of that weapon, noting that a weapon does not need to be designed for military use to be traditionally or commonly used for self-defense. We will also consider the weapon’s purpose and intended function….

[T]he small knife found on Evans’s person is a utility tool, not a weapon…. Evans does not demonstrate that his paring knife is a constitutionally protected arm.