Here's a half hitched paracord can koozie(cozy). About 1.5 feet of paracord for the drawstring/cinch cord with cordlock, and 30 feet of paracord for the half hitching around the can. A carabiner can be used with the drawstring/cinch cord to attach to a belt loop/bag/pack... Knitted and crochet type can and bottle koozies(cozy) have been around for a long time, but I haven't come across any done with paracord. An EDC Forums member that was serving in Afghanistan, had asked for ideas earlier…