So, you think your kid brother’s a changeling

Disaster.  It seems that all your precautions have failed and your darling brother/sister/son/daughter has been exchanged for a changeling.  But how to be sure that the puling, wizened creature in the cradle really is a fairy usurper? Here are some sure-fire 17th century changeling detection methods to set your mind at rest. 1.  Place hops…