Answer:
I am long and slim works in light. Has but one eye and an awful bite.
What kind of tree can you carry in your hand?
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 a mother from a family of eight. I spin around all day despite my weight. Had a ninth sibling before founding out it was fake. What am I?
Every night I'm told what to do, and each morning I do what I'm told. But I still don't escape your scold. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.