This method is popular with ultralight thru-hikers and requires two materials that you don't normally carry (cord and carabiner). Like all bag hangs, it can be foiled by smart, food-conditioned bruins. Check regulations to make sure bag hangs are legal.
When Mother Nature threatens to thwart your outing, foil her plans with the Kuhl Skuhl eVent rain shell. This heavy duty shell will keep you cozy for three seasons, and may last four if you insulate it well.