Dream about clam shell refers to your emotional state of mind. You need to weigh your options carefully and think through your actions. You are trying to put an end to a habit or relationship. This is a sign for an escape from your own personal issues and stresses. You are experiencing feelings of self-doubt.
Clam shell dream indicates your supportive role. Perhaps you are trying to weigh your options in some situation. You are ignoring the desires of the inner child within. This draws attention to the feminine qualities of your character. You are going around in circles over a problem or situation.
If you dreamt about clam shell:
Make sure you have love for the work you are doing. If your work is not inspired by a true love from within, then quit your job and find something else. Follow your passion. Follow your heart, and the money and opportunities will follow naturally.