Blocking with melee will grant knockdown protection against obstacles, allowing for smoother flight. Alternatively, performing a slide attack will allow passage through obstacles without slowing down.
The Knux were first shown to the public in Devstream 53. At that time, the player would wield one Knux like a club with its palm open, rather than using both as an oversized pair of gauntlets in the final release.
Pressing the block button once will make the Knux spin its fists.