Since that's pretty much anything, the legality of what's allowed in your pockets hinges on intent. If you're carrying a blade to open a can of apple juice at a picnic, then you're fine. If you're carrying a blade to open a can of whoop-ass on a potential assailant, then you're in trouble. Same deal for pepper spray, which you can carry to protect yourself from rabid canines but not from overzealous exes. Likewise for tasers, stun guns, batons and probably ballpoint pens. "You have the right to defend yourself but you can't be carrying pepper spray or knives or guns for that purpose,"
Read more at: www.thecoast.ca/news-opinion/the-best-self-defence-isnt-always-a-good-offence-4404040