"Always keep your tools sharp, so you never have to sharpen them." If you consistently maintain the edge on your blades, like a pocket knife, then you can usually avoid the aggressive material-removing sharpening process. That's why we created (or stole from the Vikngs) the idea of a portable sharpener. However, we took it a few steps further and made it a cool-looking conversation starter! The patented Viking Whetstone Pendant modernizes a traditional Viking tool for sharpening and honing blades and tools. Unlike other whetstones, this pendant-style necklace features 4 different grinds, giving you the power to sharpen all your EDC tools, whenever they need it.