Related Clues:

• 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
• Wound round wound
• 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
• First aid kit item
• Counsel the sailor, one who crosses the line
• Person who crosses the line?
• Surgical dressing
• Antiunionist
• Scrape reminder
• One, for example, turning to group for cover
• Someone who's not out for a crust
• Dressing in black and taking a long time
• One disparaged for working for a crust?