knife This kitchen knife is made from underwear Rusty Blazenhoff

weapons Make a cardboard shiv: Another way to recycle an Amazon box Rusty Blazenhoff

video Watch how to cut the world's hardest foods with a modded kitchen knife Andrea James

makers Kitchen knife made from aluminum foil Rob Beschizza

art Watch this guy turn wood into an extremely sharp knife Andrea James

japanese How to make a shiv with hard, dried fish Rusty Blazenhoff