A piping bag is used for fine decoration, so it is read as attention to detail, creativity and the finishing touch. Pressure that makes it burst can stand for control slipping.
Where in your waking life have you met something like this lately?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.