What's the difference between drawknife and drawshave?
Drawknife
Definition:
(n.) A joiner's tool having a blade with a handle at each end, used to shave off surfaces, by drawing it toward one; a shave; -- called also drawshave, and drawing shave.
(n.) A tool used for the purpose of making an incision along the path a saw is to follow, to prevent it from tearing the surface of the wood.