Lam is used to cleanse the Muladhara (1st or "Root") Chakra, in order to ground and connect you to Gaia ("Mother Earth"). The vibration created when chanting "Lam" cleanses and clears any impurities that collect at the base of your spine, allowing Prana (life force energy) to flow freely.  The action that accommodates this chant is:

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"I SEE"​