A karambit is a curved combat knife native to Indonesia. They are known for their legendary cutting ability and concealable size. A wrench is…a wrench. Except when they are one and the same. Using tools found in pretty much any workshop, you can learn how to turn any wrench (or any other tool, for that matter) into a high-quality cutting tool that you can depend on. Learn how in the video below.

Using tools found in pretty much any workshop, you can learn how to turn any wrench (or any other tool, for that matter) into a high-quality cutting tool that you can depend on. Learn how in the video below.

If this video shows us anything, it's that very common tools can be used to make relatively high-quality blades that you'll no doubt want to show off to your friends.

What's more, the crafter in the video only had a small amount of experience with crafting blades and was able to pull off a pretty impressive design. It stands to reason that one could pull off some awesome cutting tools using these methods.