A corkscrew is the tool that opens what was sealed, and it is read as access, release and the effort it takes to get something bottled up out into the open.
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.