What will I use to slice my biltong?
Obsidian. Well-crafted obsidian blades have a cutting edge many times sharper than high-quality steel surgical scalpels
Obsidian - Wikipedia, the free encyclopedia
Of course, they will try to ban that as well before long!
Guns/Knife's/Cars/Aeroplanes/big sticks don't kill people. PEOPLE KILL PEOPLE. So not much anyone can do about that.