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Videos like this give us faith that not all cutters are attention seekers. Some actually mean business.
In the video, a self mutilator performs a single slice along the forearm with a razor blade. The slice is pretty deep, and it takes almost two pairs of hands to keep it shut.
Thanks a lot for the video, @seraphim-serenata
https://www.bestgore.com/extreme-body-mods/self-mutilation-single-razor-blade-slice-along-forearm/