HH the 17th KARMAPA chants Akshobhya Mantra

The Dhāraṇi Mantra of Akshobhya Namo bhagavate Akṣhobhāya, tathāgatāyārhate saṃyaksaṃbuddhyāya. Tadyathā: Oṃ kaṃkani kaṃkani....