This gesture (reconstructed by me) corresponds to the sign silluq ("end": the ancient name in other cultures for the tonic or "final" degree). In all printed editions, it is a vertical line, and is by far the most common of the written signs.

The
Masorah and the early treatises call this sign silluq when it falls on the last accented syllable of the verse, and ga`ya or meteg (Hebrew "bridle") when it falls anywhere else (even when the sign falls two or three times on the same word!). The treatises even make minute distinctions as to the various roles of ga`ya. Accordingly, the sign leans slightly to the left or the right in manuscripts (how much depending on the whim of the particular scribe).

Updated December 27, 2011