Answer:
I'll bring out your bulls and slow your roll. I may even come out of your skull.
I am owned by the poor, the rich do not need me. If you eat me, you will die! What am I?
I can be long or short. I can be grown or bought. I can be painted or left bare. My tip can be round or square. (one word)
I can generate fear and some say I come out of your ears. I am as quiet as a mouse but not welcomed in the house.
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 did the piece of wood say when he saw the screwdriver and screws approaching?