Copper does NOT keep slugs out of your garden

I read on a website discussing natural ways to get rid of slugs that they will not cross over copper. I have a bunch of beading wire that is 100% copper so I started making rings around my plants with it. Then I saw a slug. I surrounded it with the copper wire. The slug slimed its way right over the copper wire like idgaf. I stopped putting copper wire around my plants and gathered the rest back. Dont believe everything you read on the internet and copper is not the solution for everything.

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FurryFace · 61-69, M

maybe they ran an electric current through the wire

morrgin · F

@FurryFace it said that the wire causes an an electric current when the slug touches it and so the slug wont go over it

Really · 80-89, M

@morrgin Nanoose is correct. I've experimented by trapping slugs inside a ring of 1/2 inch soft copper tube. At first they would rear up and rertreat from it; but eventually they escaped by arching their bodies over, but not touching it. I can imagine a wider 'barricade' such as mesh might defeat them.