furl vs handcuff

furl

verb
  • To lower, roll up and secure (something, such as a sail or flag) 

handcuff

verb
  • to restrain or restrict. 

  • To apply handcuffs to 

noun
  • One ring of a locking fetter for the hand or one pair. 

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