I’m guessing the idea behind the way these Pakistani Shiite Muslims express their faith is similar to Afghani Shiite Muslims whipping their backs on the Holy Day of Ashoura. In this case, however there’s much more blood drawn because in Pakistan, the Shiite use actual swords to hack their backs with and they’re actually sharp.
The second guy in the video hacked his back the worst. That’s an insanely huge and deep gash he cut to his back. He also likely sliced his shoulder blade and maybe even went deep into the rear side of his ribcage. If medics were not present, he could have died from this. Bleeding was insane.
So many people sent this video I can’t give individual props cause it would take half a day to read: