Hah, hah hah.  Sorry, forgotten how funny your dad was.
Felt. Fibers are made of what, cotton?
He fell on it. Some weird kind of insulation. It's old, House was built in the sixties. What's it made of?
He fell on it. Some weird kind of insulation. It's old, House was built in the sixties. What's it made of? [SEP] Felt. Fibers are made of what, cotton? [SEP] Hah, hah hah.  Sorry, forgotten how funny your dad was.