Possible Clues:

• Drain covers
• Rubs harshly against, perhaps on nerves
• Where there's firing things do not go smoothly
• Rasps against, food or nerves
• The firing there irritates one
• The bits of rag set up where there's firing
• Fires there when it gets rough
• High heel hazards
• Makes rasping sound, hard on ear
• Shreds cheese