Related Clues:

• Hotel given not much custom
• Robes of a monk or nun
• Two blood groups included in drug dose addiction
• Monk's dress
• Addiction: Hard? Not entirely
• An old one dies hard
• Sister's outfit?
• Nail biting, maybe
• Things once believed to form in 21 days
• Hard __ to break
• You can kick a bad one!
• Old __ die hard