Skateboarding rails are used for tricks on the skateboard. The rider can jump up on the rails and slide or "ride" the rail and jump off at the end. These rails are included in most skate parks or skate circuit design.
a 50/50 grind on rails i think boardslides are easier
integers are used in skateboarding by using positive integers like 180 360 540 720 and 900
A golden spike was a railroad spike used in celebrating the wedding of the rails.
The railroad spike used in celebrating the wedding of the rails was the golden spike.