Cold, windy days can be a nightmare when you get to camp and just want some friggin' hot chocolate before you curl up in your sleeping bag — wind and open flames often don't mix. Enter the Heatstick from Danish company Heatgear: Just shove it inside your water bottle, and in minutes you can heat water up to 194 degrees Fahrenheit from the inside.
I ran across
this little deal and can't find any more that a couple of these little press release type blog mentions. In my situation, this would be a near perfect match for a small hand grinder and a pour over filter for my mobile coffee needs.