The blessings of Maa Baglamukhi create a divine protecting protect in the shape of the aura all around somebody thereby protecting him/her from malefic energies in the shape of black magic spells or evil eye. Yet another etymology implies that valga signifies "to paralyze" and symbolizes the strength of stambhana, https://vashikaran96395.shoutmyblog.com/34821276/detailed-notes-on-baglamukhi