Narrator: Weston Kay runs a YouTube channel called Rose Anvil, where he slices open popular shoes like Nikes and Doc Martens to assess ... They can be made of steel, wood, or leather.

"The main product that Dr. Martens make is the 1460 boot, the eight eyelet boot that everybody recognizes as a Doc ... and a toe puff is added. The Lasting Track is where the shoe starts to ...