Pop it in a line of dialogue. Use it in the background of a shot. Name your film after it. Name a character after it. Theme your whole extensive and backstory-laden two-minute plot around it. Use it as a MacGuffin. Pluralize it. Capitalize it. Run with it. Love it. Cause one way or another, it's gotta be in there.
With much excitement and drumrolls all around... the theme is:
"Watch for the Hand"