I use a Turbo Klone cloning machine. You take cuts from your plant, or plants, you want to take a big enough cut that you have a node, (trimmed off), below the collar in the area that will grow roots, cut the end at a 45 degree angle, dip in rooting solution, (preferably Clonex gel), and place in machine, it's also helpful to trim the tips off from the leaves of your cut, kinda round them off, (less of the leaf that needs nutrients pushed to it). The machine is filled with water and a cloning solution, (preferably Clonex cloning solution), and run, it constantly splashes the water up at the bottom of the cuts and after a few days you have rooted clones. You can do it without the machine but it requires a bit more practice to get it down. My cousin is quite good at it but, he's been doing it for quite a while. I just started cloning and wanted to be sure to get whatever cuts I take so, I went with a good machine. Before that everything I grew was from seed.