Related Clues:

• It can leave a nasty mark
• Gloucestershire town's heartless boss
• Poker cuts academic work short
• How Lady Macbeth identified the murder weapon
• It helps grip, even on a dust surface
• The boss is stable
• Wall timber showing thickness if it's divided by pi
• Boss getting rid of half of those at the university?
• Boss gambling with cards
• Animal breeding farm
• Fifty per cent of undergraduates are upright
• Jewellery item; horse breeding establishment
• The boss is a ladies' man
• Jewellery item
• Service centre one's pressed to close?