hakapik vs setting pole

hakapik

noun
  • A hunting implement, a long pole with a pick and hammer on the end, used by sealers to bludgeon seals and drag their carcasses to the sealing boat. 

setting pole

noun
  • A pole, often iron-pointed, used for pushing boats along in shallow water. 

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