Tony Hawk Skates First Downward Spiral Loop - BTS

Behind-the-scenes look at Tony Hawk skating a helix-shaped Downward Spiral Loop in 2015. Covers the idea, the build and the stunt, funded by Sony and filmed with Sony action cameras.

Why skaters like it

Shows how a stunt ramp gets designed and built, and how speed, centrifugal force and friction decide if the run works. Widely watched with over 57 million views.