When camping or hiking, you have to travel light, which means you can’t be rolling with one of those foot-tall bottles of Grey Goose strapped to your pack. For those who don’t want to forgo a nightcap round the campfire, there’s this Nalgene hip flask.For just $8.99, it’s leakproof and made of safe, lightweight plastic that doesn’t, e.g., retard development in frogs.