Tantrik Studies November 8, 2019 Spiritual philosophy, Tantrik yoga, Mantra-science The Stanzas on Pulsation (Spanda-karika), Second Flow Tantrik Studies November 8, 2019 Spiritual philosophy, Tantrik yoga, Mantra-science The ‘Second Flow’ (chapter two) of the Stanzas on Pulsation reveals the secret of how mantras work. This teaching has been influential in Hindu Tantrik Yoga all the way down to the present day.