Possible Clues:

• Hoarse
• Harsh sound when something poisonous is swallowed
• Using a coarse tool on
• Harsh
• Harsh slant given to news in tabloid
• Making a grating noise
• Harshly grating
• Grating harshly
• Like the page being seen in jewellery, it's grating
• For coppers in a small band, it's rough