The blessings of Maa Baglamukhi make a divine protecting defend in the form of an aura all-around an individual thereby guarding him/her from malefic energies in the form of black magic spells or evil eye. An additional etymology indicates that valga suggests "to paralyze" and symbolizes the strength of stambhana, https://www.youtube.com/shorts/5VeSyP9JRw0