Possible Clues:

• Blow this to cut the head off, leaving nothing in sight
• Shiner to be interrupted by servant
• Outcome of strike - servant must occupy empty box-office
• Bruised optical area due to blow
• Result of facial blow
• Having been on strike, perhaps, results in one not being able to see the end of it
• What a blow to have lost a head and be without 34 across, perhaps, in a 16 across
• Fed by footman, live mouse
• Bruise on face
• Be without a valet as a result of violence