WARNING: Adult language used.
It's well known by comic book fans that Wolverine's claws are made up of adamantium. Fans also know that adamantium is not a real metal, but one invented by Marvel Comics.
So when the Hydraulic Press Channel on YouTube teamed up with 20th Century Fox to make this viral video, they obviously had to use another metal to replicate it. The question is, what metal did they use?