This just popped up on the bot newsfeed. Not a new idea... there have been videos like this before. Makes the case for full gear pretty well. Also graphically shows the value of leather regarding its resistance to extended abrasion.
Watch for the white trail left behind the guy as he gets dragged. That could be your skin... Any garment that fails in such a way as to expose your skin, either by abrasion or seam separation, puts your delicate hide in contact with a very unforgiving surface.
Link to original page on YouTube.