У вашего броузера проблема в совместимости с HTML5
https://snowboardaddiction.com/
This is a free section of our Jumping tutorials for regular snowboarders.
Learn how to hit hips jumps in the park.
A hip is a jump where the landing is a different angle than the take off. Getting air on a hip is similar to straight airs although you rotate slightly while in the air to match your board and body with the same angle as the landing.
Riders: Nev Lapwood and The Junkie
Location: Whistler Blackcomb
Get the full tutorial here: http://snowboardaddiction.com/collections/all-snowboard-products/products/how-to-jump-on-a-snowboard-tutorial
http://www.snowboardaddiction.com