https://www.instagram.com/p/BtbsW_-h1Zv/
At this point, pretty much everything has been turned into a knife.
There are the obvious found objects that can be turned into knives, such as old files and railroad spikes. In fact, you can watch these items along with 10 others be turned into 12 different knives in an old post.
Then, Kiwami Japan came along and upped the ante by turning unimaginable items into knives, such as gelatin, stone, and even underwear!
Another of our favorite YouTubers is back with some interesting experiments. This time knifemaker Steve Calvert aka Green Beetle attempted to make a knife from nickel wound guitar strings.