Firstly wrap the one end of the pipe cleaner through the center of the CD and twist at the rim to secure, do this with 2 more pipe cleaners. (powerfulmothering.com)
Hold the piping bag vertically with the narrow end of the piping tip facing out. (thecakeblog.com)
It has to be cooled, condensed, or chemically trapped by some added end of pipe technology. (treehugger.com)