Answer:
I am bought by the yard but worn by the foot. What am I?
I have a frame but no pictures. I have poles but not standing up. What am I?
You use a knife to slice my head and weep beside me when I am dead.
I am flora not fauna. I am foliage not trees. I am shrubbery not grass.
Keep doing me to avoid lens dryness
What never gets any wetter no matter how hard it rains?