Answer:
I start new then become old. Start clean but be one dirty. I usually start big then become little.
Without a bridle or a saddle across a thing I ride a-straddle. And those I ride by help of me though almost blind are made to see.
I am useless when together but useful when I am broken apart. What am I?
You use a knife to slice my head and weep beside me when I am dead.
When I am caught I am thrown away. When I escape you itch all day.
When is it bad luck to see a black cat?
What am I?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic