Answer:
I am owned by every man, though my length differs. Their wives use me after getting married. What am I?
I am gold and can be black and white I'm a symbol for a nation when freedom took flight.
I am shared by goats devils and unicorns.
I am carried by mad animals.
Sometimes dark and sometimes bright, I make my way among twinkling lights. Seas and oceans obey my call, yet mountains I cannot move at all. What am I?
I have feet on my head