Normal Position of the Via Lascivia:

It generally occupies a slanting position rising from the inside of the base of the Mount of Moon and terminating on the lower part of the upper Mount of Moon near the percussion.

General functions of the Via  Lascivia:

(1) It strengthens the power of the Line of Mercury

(2) It is also a pointer to the robustness of the health of the individual.

nature of Via Lascivia:  Characteristic features of the subject

Absence of the Line   No special significance

Presence of the Line Super abundance of vitality and good health