We stuffed small strips of fiberglass insulation into these cracks, but some smoke still gets through and bits of fiberglass keep falling out.

The easiest way to do this is to stuff strips of thick foam between the two sash frames.

Fisher simply swarmed down his arm and jumped to the table, crooning softly to the battered treecat, which was busily stuffing strips and hunks of turkey into emaciated jaws.