Answer:
I bind it and it walks. I loose it and it stops.
What do you throw out to use and take in when you're done?
I move without wings, Between silken string, I leave as you find, My substance behind.
What hangs others yet can unintentionally hang itself?
Upon me you can tread, though softly under cover. And I will take you places, that you have yet to discover. I'm high, and I'm low, though flat in the middle. And though a joy to the children, adults think of me little.
What is so fragile that saying its name breaks it?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?