I've since changed over to an Insultex underquilt, but I was rearranging the gear closet today, and dug out my SuperShelter. One thing I had never figured out with this thing was how to put it away...never could roll it up tight enough to get back in the stuff sack. Well, looking at it again today, I had a thought -- since the stuff sack opened at both ends, was it meant to be treated like a Bishop Bag? I threaded the line from one end through, cinched it shut, and started stuffing. The whole pad went in easily and surprisingly quickly! I don't know if that was the intent of the design, but it worked.

Of course, it suddenly occurs to me I should have paid attention to which end was the head when I was trying it...