Answer:
My first master has four legs, my second master has two. My first I serve in life, my second I serve in death. Tough I am, yet soft beside. Against ladies cheeks I often reside.
Brown I am and much admired; many horses have I tried; tire a horse and worry a man; tell me this riddle if you can.
I'm not man's best friend, I'm their enemy, I can mark your end, yet you do not see me, I am very small, but very tough, If you have me, then you have it rough.
People are hired to get rid of me. I'm often hiding under your bed. In time I'll always return you see. Bite me and you're surely dead.
What is put on a table, cut, but never eaten?
I am free the first time and second time but the third time is going to cost you money.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?