Possible Clues:

• Method of treating drug addiction in distant country
• Addict's reaction to winter in the Middle East?
• Withdrawal symptoms we may get the day after Christmas?
• Problems of withdrawal from unfriendly country
• Quick way to come off horse in the country on a chilly day?
• Frozen food?
• Complaint by country as result of stopping drugs
• All at once, for quitters
• When horse perhaps barred from biting bird
• (Symptoms of) sudden withdrawal of addictive drug