The Jack Pyke sharpening stone is a simple but essential bit of kit. Unlike normal sharpening stones that can actually make your blade blunter, this is designed for you simply to run your blade through it.

Having a sharp blade is a sign of having good field admin. In a survival situation, your life may depend on it. Having a sharpening stone helps with both.

At this cost, you'd be foolish not to add it to your basket.