Grylls makes great products. I use a lot of his gear when backpacking and this is a definite must. I have been through a couple hundred strikes on this and there is still about 90% of the flint left. It packs away very nicely and is very easy to use. You can produce huge sparks on this if you align the striker and flint properly. The cord that holds the two pieces together does get in the way a little bit since it is fairly short but if you make slow methodical strikes, the cord doesn't get the way too much. If anything it helps make sure that you don't get the two pieces separated. I would definitely recommend this product over other on the market. I bought this for just over $10 over a year ago and have used it on camping trips about every month since then. I ... full review
Freeze-dried food is nothing new. As early as the 13th century, the ancient Quechua and Aymara people of Bolivia and Peru pioneered a form of the process by exposing potatoes to the freezing temperatures of the Andes overnight, then drying them in the sun. In 1937, Nestlé used industrial technology to create the world’s first freeze-dried coffee, and in the 60s and 70s, the US military shipped freeze-dried food rations to the troops in Vietnam.