Answer:
A device for finding furniture in the dark.
My teeth are sharp, my back is straight, to cut things up it is my fate.
What can you catch but not throw?
What word in the English language does the following: the first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?
I can be used to type and point you see. But don't forget, you can count on me. What am I?
You use it between your head and your toes, the more it works the thinner it grows.