Mahavidya CHINNAMASTA (chopped off head) The Self-Decapitated Goddess

To stop mind is liberation

Worship means 

To liberate the desire for sensory input, cutting off the source of the movements of mind and reaching deep meditation (samadhi).

Mantra

SHRING HRING KLING AING

VAJRAVAIROCHNIYE HUNG HUNG PHAT SWAHA

Enhances

Willpower, vision, meditation, sexual abstinence, kundalini yoga, samadhi