Answer:
What can you catch but not throw?
A trail, a union, together tied. Come across me and you will find you cannot change the course I'm on. Without me you cannot travel on. What am I?
I am heavy forward, but backward I'm not. What am I?
I have three eyes and only one leg. Obey me or you will be sorry.
I am easy to waste. I am unstoppable. What am I?
What never gets any wetter no matter how hard it rains?