A sheer rock wall that looks unwalkable to humans functions as a textured sidewalk for a mountain goat. The secret is not in the animal’s courage but in the engineering of its hooves, which turn almost vertical stone into a surface rich with usable grip and support.Each hoof is built as a two‑layer traction system. At the center sits a soft, rubbery pad, rich in collagen and elastic tissue. Presse...More