curly bracket vs vise

curly bracket

noun
  • Either of the two characters { and }, i.e., left curly bracket { and right curly bracket }, with the shape of a curved, pointed line, having various uses in math, music, computer programming and chemistry. 

vise

noun
  • An instrument consisting of two jaws, closing by a screw, lever, cam, or the like, for holding work, as in filing. 

verb
  • To clamp with or as with a vise. 

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