British drug dogs are very good at finding cheese and sausage in luggage. Drugs, not so much. April 20, 2016April 20, 2016 · Red Robin Mashable. Well, I would say “duh”, but those who employ drug dogs aren’t really looking for drugs so much as they are looking for an excuse to search through someone’s belongings. As I’ve said before, rats are much more effective sniffers than dogs.