This is the gift shop of Mary Kings Close. Doctors during the 16th and 17th centuries believed the plague was spread through bad smells (and there were a lot of them!) so they had these raven-type masks with the nose stuffed with sweet smelling flowers and herbs. They also wore big long leather coats to block the smells. Incidentally, this getup often worked, because the fleas couldn't get to their skin through their leather!