Answer:
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. What am I?
I fly when I'm on and float coming off.
What can you catch but not throw?
I crushed on Wendy Darling.
I fly forever Rest never.
I am your mother's brother's only brother in law. Who am I?