The Tantrasara describes her iconography: Bagalamukhi sits inside a golden throne while in the midst of the ocean in an altar. Her complexion is yellow (golden). Clad in yellow clothing, she is adorned by a garland of yellow flowers and decked with yellow (golden) ornaments. One more etymology implies that valga implies “to paralyze” https://youtube.com/shorts/BGUN9lAbS14