Answer:
Without me everyone would lose their head. What am I?
I am not very commonly found! Only in some rainforest! I have an odd number of toes! I'm very lazy and hang upside down!
What comes once in a year twice in a week but never in a day?
Crooked as a rainbow and slick as a plate ten thousand horses can't pull me straight.
What has keys but no locks a space but no room and you can enter but can't go in?
What an fill a room but takes up no space?