9 ms·

They also hit the door with a sledgehammer as hard as they could and didn't dent it. The video for that is pretty amazing.

• berberous 7y ago
  It looked to me like the guy was clearly not swinging his hardest.
• fenwick67 7y ago
  You mean like this? https://www.youtube.com/watch?v=L91_K-s4pMM https://www.youtube.com/watch?v=L91_K-s4pMM