How To

Rub the teeth of a file with a piece of chalk to fill in the gaps between t

Rub the teeth of a file with a piece of chalk to fill in the gaps between the teeth. Otherwise, iron filings will clog the file.

By Yankee Magazine

Mar 24 2013

Rub the teeth of a file with a piece of chalk to fill in the gaps between the teeth. Otherwise, iron filings will clog the file.