@Andrane has done a bunch of grafting! Very inspirational stuff. I can’t remember off the top of my head, but he has/had quite a few strains all grafted to one plant (stem, not root graft, but still pretty ballin). I’d link it, but I am shitty at searching
Edit: Damnit… Didn’t realize someone brought a five year old post back from the dead 
… My comment still stands.