I don’t know if you’ve been watching Levison Wood’s latest adventure travel documentary ‘From Russia to Iran: Crossing Wild Frontiers’ on Channel 4. It’s a fascinating journey through the Caucasus Mountains by him and his local guides, largely on foot, sometimes in cars or ambulances, and occasionally on horses and carts.

Levison Wood, an ex-paratrooper, takes you through the wildly beautiful region of former Soviet republics of Chechnya, Dagestan and Azerbaijan, meeting some fascinating and friendly local people.

He shows the stunning Caucasus in detail which you rarely see. Ancient buildings and settlements, landscapes which, in his words, “Put the Grand Canyon to shame”, and people who have adapted to the brutal realities of the collapse of the Soviet Union.

Product Review: Any Sharp Pocket Knife Sharpener
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Blunt blades have few uses in this world apart from, perhaps, as ceremonial swords, paper or butter knives. Mostly, you need a sharp knife to cut or carve anything.

Campers and hikers need knives as much as anyone, and a blunt one is about as useful as an umbrella on a windy day. 

You can’t just pop into your local shop when you are out in the hills and a need a sharp knife. You need a sharp knife then and there. 

But, how do you keep your knife sharp without carrying around a heavy or cumbersome sharpening stone? I do have a small, traditional sharpening stone, but it is oily and too heavy to carry around in a backpack when hiking. Where is a traditional knife sharpener when you need one?