Tantrasara mentions the iconography from the goddess Bagulamukhi. It mentions that the goddess is seated on a golden throne floating from the spectacular ocean. One more etymology indicates that valga usually means "to paralyze" and symbolizes the power of stambhana, "paralysis" which the goddess is claimed to grant; this https://codyucjpv.blog-ezine.com/32767766/the-fact-about-baglamukhi-that-no-one-is-suggesting