Skaters Of 70s By Hugh Holland

Trampboarding is a variant of skateboarding that uses a board without the trucks and the wheels on a trampoline. Using the bounce of the trampoline gives height to perform a tricks, whereas in skateboarding you need to make the height by performing an ollie. Trampboarding is seen on YouTube in numerous videos.
Swing boarding
Swing boarding is the activity where a skateboard deck is suspended from a pivot point above the rider which allows the rider to swing about that pivot point. The board swings in an arc which is a similar movement to riding a half pipe. The incorporation of a harness and frame allows the rider to perform turns spins all while flying though the air.