Related Clues:

• On the surface it's hard to break a strike
• Won't strike so hard a cover
• With such a crust it might be enough to break with a strike
• It's hard for one to break it if they are striking it
• It's hard to get a taxi back at last to be a strike-breaker
• It's hard to cover the wound - caused by the strike, perhaps
• Counsel the sailor, one who crosses the line
• Person who crosses the line?
• Antiunionist
• Scrape reminder
• Someone who's not out for a crust
• One disparaged for working for a crust?
• With a thousand out, is for returning to work?
• Automated payment method set up for unpopular worker
• French exams rising to form crust ...