kit violin vs trappings

kit violin

noun
  • A very small long-necked violin that came in a variety of shapes and configurations, meant to be carried in a pocket and intended for dancing instructors to carry to accompany their students. 

trappings

noun
  • Clothing or equipment; that which gives the appearance of something. 

  • Ornamental coverings or harnesses for a horse; caparisons. 

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