armband vs handcuffs

armband

noun
  • An inflatable band worn round the arms to keep afloat in water 

  • A band worn around the arm of the captain of a team. 

  • A band worn around the arm, usually to symbolize protest or mourning. 

handcuffs

noun
  • A fastening consisting of two metal rings, designed to go around a person's wrists, and connected by a chain or hinge. 

How often have the words armband and handcuffs occurred in a corpus of books? (source: Google Ngram Viewer )