Related Clues:

• As a pejorative term, an alternative to “blackleg”
• Natural cut cover
• Article penned by second-century bishop, one undermining union
• Picketers' bane
• Back up most of what's on computer's terminal as a result of the recent cuts
• One shouldn't pick this small taxi
• Hard coating on wound
• Protective crust
• Sign of a wound's healing
• One who crosses a line
• Natural cover
• Line crosser, of a sort
• Natural Band-Aid?
• Scrape remnant
• Wound up on top?