By way of this sacred ritual, they are able to invoke the blessings of Maa Baglamukhi and request her divine intervention in their quest for parenthood. Yet another etymology implies that valga means "to paralyze" and symbolizes the strength of stambhana, "paralysis" the goddess is alleged to grant; this concept https://sanskritmantras59260.isblog.net/detailed-notes-on-baglamukhi-53040748