Answer:
This only turns over once you have travelled very far. What is it?
A dagger thrust at my own heart, dictates the way I'm swayed. Left I stand, and right I yield, to the twisting of the blade.
When they are caught, they are thrown away. When they escape, you itch all day.
I fly through the air on small feathered wings, seeking out life and destroying all things.
What is weightless but it needs two person to hold it?
I am owned by Old McDonald.