Two YouTube stars have recently gone viral after sharing their fascinating video teaching viewers how to open a can without a can-opener.

The video, by Crazy Russian Hacker, is titled How to Open a Can without Can Opener - Zombie Survival Tips #20 and shows two men opening three cans of tuna using nothing but their hands and a piece of concrete.

The video, which has over 27 million views on YouTube, has received a flood of responses after recently going viral.