ravehook

plural ravehooks

1. historicalA hooked hand tool for widening the seams of a boat to receive oakum.

   But the ship's carpenter had cut his hand open on a ravehook while cleaning out some old caulking on the fo'c'sle, and Cat stayed aloft to attend him.

   2014, Laura London, The Windflower

   1 more example

   Small fires […] smoldered in half a dozen places, where the few workmen paying oakum into Hampshire’s hull seams with ravehooks would periodically repair to warm themselves.

   2012, J. E. Fender, The Lucifer Cypher