Is it illegal to purchase an aluminum knuckle duster bottle opener

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

Is it illegal to own knuckle dusters? - Quora

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

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