Believe it or not I'm not walking on air I'm more related to a romper Give me a parachute and now we're talking.

The scent of pine fills all the air, as spinning teeth show little care. From towering trunks to boards so straight, I shape what carpenters appreciate.

I circle a castle but I'm not a wall, I hold back the enemy, yet let no stone fall. Fill me with water and I'll keep you afloat. What am I?

Goths and trawlers both benefit from my existence

I have a terrible spin, but I never get dizzy, When I start to scream, I get incredibly busy. I’ll take what you give me and tear it apart, Turning whole into smooth is my favorite art. I have a fierce bite, but I don't have a tongue, And I’m always plugged in when my song is being sung.