Answer:
Bury deep, Pile on stones, My mind will always Dig up them bones
I always follow my brother but you cannot see me, only him. You cannot hear him but you can hear me. What are we?
I open wide and tight I shut, Sharp am I and paper-cut fingers too, so do take care, I'm good and bad, so best beware.
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.
Long and slinky like a trout, never sings till it's guts come out.
How do you know if a sniper likes you?