Answer:
A mighty weapon in the war against winged household pests.
I have many feathers to help me fly. I have a body and head, but I'm not alive. It is your strength which determines how far I go. You can hold me in your hand, but I'm never thrown.
What kind of room has no windows or doors?
What type of bar gets you wet walking in and out of it but keeps you dry inside?
I am seen in the water. If seen in the sky, I am in the rainbow, a jay's feather, and lapis lazuli.
I have two eyes in the front and a lot of eyes on my tail