Devi Bagala is definitely the deity of Bagalamukhi Mantra. She is also known as 'Valgamukhi'. 'Bagala' or 'Vagla' actually implies a 'rope' or possibly a 'bridle' – which is place while in the mouth to regulate the actions of tongue - and 'mukhi' signifies 'confronted'. She would be the super https://www.youtube.com/watch?v=CQDKEh9UjJA