Ive had pretty good luck on soft corals using a needle and thread and just sewing it to the rock. You dont pull the thread really hard when going around the rock or you can pull it through the coral. I then take super glue ang glue the thread to the rock. In a week or so you can cut the thread...
I have drilled tanks and if you have the proper set up its pretty easy. There is a guy that has been on ebay selling the drill bits for a real good price. I purchased one from him and it worked great. You also need to know if the tank has tempered glass. You can not drill tempered glass. Usually...
