Yes, there are vents on both sides. I don't want too much, so the cutting can attach to the rock without being blown around. I've used this method in the past, and while it might take a little longer since i'm not using anything to keep the cutting pressed against the rock (rubberbands, glue, etc.) it seems to work well. As i experiment more with propagation, I'll try different methods with cuttings from the same parent colony and see which method seems to cause the frag to attach the fastest, and try and determine if any of the methods retard growth. Within minutes the xenia had also extened some of its arms thru the vents on the side. The cool thing about allowing it to attach like this is it will often attach above the area where the cut was made. Then the area that was cut will also start to grow a new "head". The trunk will often take on a U shape and you will end up with a frag that essentially has two stalks and heads.
