Answer:
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
At first I am a yellow weed in the lawn, and then the wind blows, and my white feathers are gone. What am I?
This thing all things devours: Birds, beasts, trees, flowers; Gnaws iron, bites steel; Grinds hard stones to meal; Slays king, ruins town, And beats high mountains down.
My first master has four legs, my second master has two. My first I serve in life, my second I serve in death. Tough I am, yet soft beside. Against ladies cheeks I often reside.
Walk on the living, they don't even mumble. Walk on the dead, they mutter and grumble.
I am a vegetable that bugs stay away from