Not a spin, I’m sharper still, I sound myself with every kill. Can you bend me to your will?

What is made of wood but no saw on earth is sharp enough to cut?

I'm the wise one with the furrowed brow, Neck swiveling like a chair but perched on a bough. A burrow or hollow might serve as my home, But the Tootsie Pop math remains unknown.

Complete this phrase small as a mouse, big as a

I have no arms, yet I hold, I bring you warmth against the cold. I never speak, yet offer you peace, I’m always there when you fall asleep.