Answer:
What can run but can’t walk?
Used left or right, I get to travel over cobblestone or gravel. Used up, I vie for sweet success, used down, I cause men great duress.
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
My first is high, My second damp, My whole a tie, A writer's cramp
A morbidly-named body of water
I am your mother's brother's only brother in law. Who am I?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?