Answer:
I am a daily ritual involving using a metal tool on the body
Goes over all the hills and hollows, Bites hard, but never swallows.
What has words but never speaks?
You can never eat me for breakfast or lunch. What am I?
I am what brings things together. Without me everything you see would be a total mass or debris everywhere. What am I?
It rows quickly with four oars but never comes out from under his own roof. What is it?