Related Clues:

• The blood has dried, so I go to work
• Non-striker backs up, but striker's fifth out
• Insultingly, one declining to earn a crust?
• Half a purple flower unpopular with union
• Blackleg
• Blackleg - sign of injury
• Sore - blackleg
• Dried surface of wound
• Crosser of picket line
• Evidence of healing wound - crosser of picket line
• Wound's crust
• Wound crust
• Dried crust on wound
• Dried crust on sore
• Crust of congealed blood