Is it illegal to purchase an aluminum knuckle duster bottle opener? I'm in Canada and the product would be coming from the states. - Quora

What are the pros and cons of having a pocket knife versus carrying an EDC folder (switchblade)? Is it legal to carry an EDC folder (switchblade) in your state? - Quora

Are brass knuckles constructed of non-metal materials illegal in California? Are single finger knuckle dusters illegal in California? - Quora

If brass knuckles are illegal in Canada, why can shops sell them? - Quora

Knuckle Bottle Opener – EntirelyCrimson

How effective are knuckle dusters in a real street fight? - Quora

What are some legal items that can substitute illegal brass knuckles? - Quora

Knuckle Bottle Opener – EntirelyCrimson

Is it illegal to own knuckle dusters? - Quora

The Flagship CNC Machined Knuckle beer bottle opener (American Made, Patent Pending) — Empire Tactical USA

Is it illegal to purchase an aluminum knuckle duster bottle opener? I'm in Canada and the product would be coming from the states. - Canada in Real Time - Quora

If brass knuckles aren't made of brass, are they still illegal? - Quora