She was right about the Key of Solomon.

There are dozens of books on the subject of magick and the Keys of Solomon.

The Key of Solomon seems to focus a lot on planetary invocation and alignment.

After breaking in, however, she unknowingly walks into a Key of Solomon, a magical circle trapping any demon who enters.

The ground shakes violently, and the Key of Solomon is broken.

It's from The Key of Solomon and it's an incantation.

Notes on the Key of Solomon; Green & Gold Magyk 15.

Lamen are also used by magicians to invoke certain spirits of the Key(s) of Solomon.

Several versions of the Key of Solomon exist, in various translations, and with minor or significant differences.

The Key of Solomon is divided into two books.