I hope you will like watching it:
Look at the rotation technique of hips and shoulders to drive the board.

Usually we see this in surfing, as the surfers have no straps (no bindings), except when they are towed by jet skis. If they don't make rotations properly, to pilot their board, they fall in water.
In SUP foiling, though the guys have straps (bound feet like the snowboarders), they STILL DO rotations. Sometimes they use their paddle to help. But without paddle they still do rotations.
The Swiss Snowboard School understood the rotation since its creation and did teach it in Switzerland and indirectly worldwide. Some of the founders were skateboarders too.
As Swiss snowboard instructors, Jacques and I naturally taught the rotation technique to all our students and applied this when we started to link fully laid turns from 1995 to 2001 (this became "extremecarving", the original and simple word which we invented in 2002 for www.extremecarving.com creation). Then with all Swoard team, we have been showing this over Internet and have given lessons in more than 52 events, or many camps (with Petr, Sebastien, ...). All this in parallel to the use of particular setup and snowboards which have been developed by riding in rotation (Swoard snowboards).
After so many years, we notice that the difficulty is still to make people really understand all the benefits from rotation technique and proper setup/gear for it. Like surfing (or SUP foiling), one can really drive the board, increase pressure on toes or heels, improvise, PLAY with the terrain... be fluent and get more freedom, more performances in any conditions.

I see now more softboots snowboarders making rotation than alpine snowboarders (in %). I have also seen a lot of progress in ski technique in 25 years, thanks to carving (which comes ironically from alpine snowboarding).
As a previous racer, I know that stiff setup and high bindings angles are pushing the alpine riders to stereotypes: chest facing downhill permanently, counter-rotations, edge change by extension, or turns made only by bascule, etc. One needs to rethink ones setup and to make a real effort when learning rotation. What we called the "Egyptian position" at the end of front side turns is something which seems not simple for many riders, while it is so trivial for surfers and SUP foilers.

Surfing is mother of all board sports and best source of inspiration!

Patrice Fivat