Coarse files (5)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
rasps
'coarse files' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for rasps that I've seen before include "Jars" , "Grates harshly" , "fruit briefly" , "Scrapes" , "Coarse files" .)