It looks so effortless for him. And not only can freediver David Helderle blow underwater bubble rings as easily as you and I blink, he can control those mini vortexes to make fun designs and spin rings. It's like Aquaman decided to become an artist or something.
He can create mini vortexes that shoot through the water to create intricate patterns in just about any direction. That may not sound like much, but anyone who has tried freediving or even just been messing around in the water knows that it's no easy task to control water the way he can.
The more complicated tricks begin around the 2:30 mark in the video.