We have searched for a while to find a truly organic, bird-friendly slug killer. We have found one. It comes in a large, cereal-packet-sized box bearing, in huge letters, the name of the product. Slug Off!
Mrs T is walking around the garden as I type, administering it. Maybe it gets the aggression out of her system before she gently cajoles her retail team to kick customer butt on a daily basis.
I will add it to gladioli, Falcon Camps and shoot as appropriate swear-word alternatives for a man of the cloth.