Flippers are read as extra strength in the emotional water, a tool to move faster through the deep. On dry land they turn comic, standing for gear that does not suit the moment.
Has this come up in your dreams before? What was going on in your life then?
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.