Key A general adjective denoting importance. The chief of a group of grip s, often doubling for a construction co-ordinator and a backup for the camera crew .
Key grips work closely with the gaffer .
The start of production or principal photography . As with all parts of the IMDb, this online glossary is open to user submissions. If you wish to make a correction, add an entry, or give feedback, please contact the glossary editor . Terms under which this service is provided to you. Advertise on IMDb.