Switchblades are illegal in Canada so you'll have to find a way to smuggle it in.
However, Kershaw makes spring assisted knives which might as well be switchblades and these are legal where we live.
THERE IS NOTHING LIKE A KERSHAW From award-winning technologies and advanced materials to the solid sound of the blade lockup, when you’re carrying a Kershaw, you know you’re carrying the real thing. The real thing means value and plenty of it. With Kershaw, you get incredible bang for your...
srknives.com
Look for anything that says "assisted" or "assisted opening" and it'll be the same as the one in the video.