Devi Bagala is definitely the deity of Bagalamukhi Mantra. She is also referred to as 'Valgamukhi'. 'Bagala' or 'Vagla' literally signifies a 'rope' or simply a 'bridle' – that's put within the mouth to regulate the movements of tongue - and 'mukhi' indicates 'faced'. She is the Tremendous electric power https://www.youtube.com/watch?v=CQDKEh9UjJA