Vmax3000
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If you are scared you will break the stem by bending it, you can tie a wad of sphagnum peat moss around stem at the base of the kieki. Just spray it a couple times a day, try to keep it damp and it should "draw" the roots out. Putting rootone on the base of each prior to putting the moss on would not be a bad idea. When you see them emerge from the moss, you can cut the kieki off. I have heard that if you take a sterile razor, you can cut halfway through where the kieki attaches to the stem and this will make the kieki put on roots as it cannot get enough food/moisture from the parent. It is risky though as I am not good with a razor myself.
Try the sphagnum wad - we used to call this air-layering, but few people know that phrase now!
Steve