Answer:
The more holes you cover the lower I go.
I am rarely touched but often held and if you are smart you'll use me well.
In all the world, none can compare, I am a tiny weaver; my deadly cloth so silky and fair. What am I?
Born of sorrow, grow with age, you need a lot of me to be a sage. What am I?
I am easy to see, but no one likes looking at me. Without me, there would be no you. What am I?
A little house full of meat, no door to go in and eat.