Related Clues:

• Cavalry regiment in breeches once
• Draught animals of the present day?
• Equine quadruped
• Antlered subarctic creature
• Comet that was in the sky on Christmas Eve
• Santa's sleigh pullers
• Drier punch, perhaps
• Quadruped
• It's said water is expensive for Rudolph, say
• Nag has runs in stockings etc.
• Cavalry showing resistance when wearing tights?
• Animal in the gym
• There's no sun, darling, reportedly? It's a beast!
• Animals, finally captured, always should be kept under control
• Eg, mare