blinkers vs glass cutters

blinkers

noun
  • Spectacles. 

  • A kind of goggles, used to protect the eyes from glare, dust, etc. 

  • A pair of leather or rubber eye cups attached to a horse hood in order to impede the rear vision of racehorses and harness horses; blinders in (USA). 

glass cutters

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