A cant hook has a blunt end, or possibly small teeth for friction.
Once engaged, the handle gives the operator leverage to roll or slide or float the log to a new place.
From early times to about 1910, the peavey was written about with various spellings such as "pevy" and "pivie".
A logging tool description from the Lumberman's Museum at Patten, Maine, reads in part: "A cant dog or cant hook was used for lifting, turning, and prying logs when loading sleds and on the drive.
[5] In 1858, Joseph Peavey, a blacksmith in Stillwater, Maine, made a rigid clasp to encircle the cant dog handle with the hook on one side.