Along the same lines......
Four of us were coming back from a weekend archery tournament in the states, at the border they asked me if we had any weapons. I thought about it for a minute and said.... nope, needless to say that started a fifteen minute lecture on how we could use our bows as weapons.
I followed with....they are target bows that were never designed to kill anything, but I guess they could. He chuckled and let us through.