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.
Poles can prevent falls and stress injuries, particularly on rough terrain with big loads. But, the constant 'click click' can drive you nuts. They leave poked holes in soft trails, and on rock slabs trek pole tips skate dangerously. Here, a simple fix.