Not unknown,just less hassle to make clones the regular way.

The easiest way is to simply put your clones in water,its basicaly cut and drop the clone in the container having the water,7-10 days later you got roots and ready for moving to dirt or hydro.

QB
QueBud Reviewed by QueBud on . New Cloning Technique.!! Air-layering : Producing clones that generate roots while still attached to the mother plant. High success rate...100%. Will post more info if enough interest is shown about this technique. Rating: 5