Related Clues:

• Ulster, for one
• Layer of polish
• Layer on a wall
• Woolen winter warmer
• Ulster or Norfolk
• Winter attire
• Tree bark, e.g.
• Anorak, e.g.
• Chesterfield or ulster, e.g.
• Firm at this to get worn (4)
• That's firm at what is put on
• Reefer
• Lay it on thick
• It might be checked
• Perhaps an Ulster county at last