I could hit the high spots with a flat file and use a riffler in the curves, a lot of scraping and some sanding.    From Wordnik.com.  [Mandolin Cafe News] Reference

The tapper and riffler was an agent named Barry Medlar, of the Bureau’s Albany field office.    From Wordnik.com.  [Mary, Mary]

"Dare I ask what a riffler is?".    From Wordnik.com.  [The City Who Fought]

"She patted the riffler.    From Wordnik.com.  [The City Who Fought]