I have the HH expedition Asym Zip. I used it once...then added whoppies...then after a couple more nights added the separate ridgeline for the tarp and Blackbishop bag. Then I upgraded my tarp to MEC's Silnylon Guide tarp (much better in bad or winter weather). I finally got a set of snakeskins for the tarp but havent had a chance to try them out yet....maybe this weekend