
Canadian Law: What Knives Are Illegal?

- It has a blade that opens by centrifugal force, when, with a simple and brisk outward flick of the wrist, the blade is released from the handle into the fully ejected and locked position; and
- It requires some preliminary or simultaneous minimal manipulation of either a flipper or other non-edged parts of the blade.
- Automatic knife – Opens automatically by applying hand pressure to a button, spring, lever, or other device, in or attached to the handle of the knife, including knives that have a button, spring, lever, or other device located in the spine of the handle and attached to the inner part of the blade
- Centrifugal knife (folding knife, butterfly knife, balisong knife) – Opens automatically through the use of centrifugal force, moving in a circular path and directed away from [the center of the body]; i.e., can be opened with a flick of the wrist
- Gravity knife – Can be opened automatically by force of gravity even if the knife can be additionally controlled by a lever or button
- Push dagger – The handle is placed perpendicular to the main cutting edge of the blade (or blades) and any other similar device
- “Constant Companion” (Belt buckle knife) – A belt containing a blade capable of being withdrawn from the belt
- Concealed blades under 30 cm – Any device having a length of less than 30 cm and resembling an innocuous object but designed to conceal a knife or blade; e.g., “knife combs,” penknives, lipstick knives, certain types of necklace knives, and knives contained in credit-card-sized cases clearly resembling real credit cards and designed as weapons
What Knives Are Legal in Canada?
- Sword canes/umbrella daggers more than 30 cm in length – Swords contained in canes, frequently where the handle of the cane also serves as a handle for the sword sheathed inside the cane’s/umbrella’s shaft
- Multitools/card tools – Credit-card-sized plastic cases that contain a number of small functional items such as scissors, a compass, and tweezers; these tools will almost always include a small blade or knife that is concealed by the plastic case; they are not designed as weapons but as functional tools
- Certain thumb stud knives – Knives having “thumb studs” attached to the blade that are independent of the handle (not protruding from the handle in the closed or folded position), and that open automatically by applying pressure to the thumb studs
Note: Must not also act by gravity or centrifugal force; see above.