Answer:
Hard iron on horse. Cow's hide on man.
Who is never hungry on Christmas Day?
Where do animals go to get their new tails when they're broken?
It is everything to someone, and nothing to everyone else. What is it?
What must take a bow before it can speak?
I fly to any foreign parts assisted by my spreading wings. My body holds an hundred hearts Nay I will tell you stranger things when I am not in haste I ride and then I mend my pace anon.