Answer:
Iron on a mammal. Mammal on your feet.
At night I come without being fetched. By day I am lost without being stolen.
When can someone truthfully tell someone “well done” but think they did a bad job?
When set loose I fly away. Never so cursed as when I go astray.
My second is performed by my first, and it is thought a thief by the marks of my whole might be caught.
I am your mother's brother's only brother in law. Who am I?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?