Emery Board
This page is the CodyCross answer for the clue below from Earth, Group 9, Puzzle 5.
Question is: Emery Board
and the answer is: NAILFILE
Word Meaning:
NAIL FILE — A small file made of soft metal, or a board covered with fine sandpaper, for filing and shaping one's fingernails and toenails.
Definitions from Wiktionary.